{
  "response": {
    "Key": "LHR-SFO",
    "orig": {
      "code": "LHR",
      "type": "airport",
      "city": "London",
      "fullCity": "London, England",
      "airport": "Heathrow Airport"
    },
    "dest": {
      "code": "SFO",
      "type": "airport",
      "city": "San Francisco",
      "fullCity": "San Francisco, California",
      "airport": "San Francisco Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from London to San Francisco?",
        "answer": "The flight from London to San Francisco is about 5,350 miles. Typically, the nonstop flight takes about 11 hours westbound, while the return flight to London is shorter at about 10 hours and 25 minutes due to prevailing winds.",
        "methodology": "Flight times and distances come from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). The typical flight time is the median scheduled block time across all carriers on the route, computed the same way in both directions so the difference reflects prevailing winds rather than any change in method. Distance is the great-circle distance between the two airports, so the actual flown track is typically 2-5% longer.",
        "toolsUsed": [
          "flight_schedule"
        ]
      },
      "q1": {
        "question": "Are there any direct flights from London to San Francisco?",
        "answer": "Yes, there are non‑stop flights from London Heathrow to San Francisco every day. United Airlines, British Airways, and Virgin Atlantic all operate daily service, with United offering the most frequencies at 35 per week, followed by British Airways at 28 and Virgin Atlantic at 21.",
        "methodology": "Airlines and weekly frequencies are compiled from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We count each operating carrier's scheduled weekly departures and the days it flies; where there is no nonstop service, connecting carriers are identified by linking scheduled nonstop segments through common hub airports. Where a median fare is shown for a carrier, it reflects the real fares Priceline users found on this route in the last 72 hours.",
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q2": {
        "question": "Are there visa requirements to travel from London to San Francisco?",
        "answer": "For a British citizen travelling from London to San Francisco, a visa is not needed for a short tourist visit, with stays of up to 90 days permitted. However, an ESTA electronic travel authorisation must be obtained online before travel, even though entry is visa-free.\n\nThis is general guidance to help you plan, not official immigration advice — entry rules can change and can depend on your nationality and circumstances, so please confirm the current requirements with the relevant embassy or official government source before you travel.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/Visa_policy_of_the_United_States",
            "title": "Visa policy of the United States",
            "favicon": "https://en.wikipedia.org/static/favicon/wikipedia.ico"
          },
          {
            "url": "https://www.gov.uk/foreign-travel-advice/usa/entry-requirements",
            "title": "United States entry requirements — GOV.UK",
            "favicon": "https://www.gov.uk/favicon.ico"
          },
          {
            "url": "https://uscis.gov/working-in-the-united-states/temporary-visitors-for-business/wb-temporary-business-visitor-under-visa-waiver-program",
            "title": "WB Temporary Business Visitor under Visa Waiver Program | USCIS"
          },
          {
            "url": "https://uscis.gov/working-in-the-united-states/temporary-visitors-for-business",
            "title": "Temporary Visitors for Business | USCIS"
          },
          {
            "url": "https://www.cbp.gov/travel/international-visitors/visa-waiver-program/requirements-immigrant-and-nonimmigrant-visas",
            "title": "Requirements for Immigrant and Nonimmigrant Visas | U.S. Customs and Border Protection"
          },
          {
            "url": "https://www.cbp.gov/travel/international-visitors/applying-admission-united-states",
            "title": "Admission into United States | U.S. Customs and Border Protection"
          },
          {
            "url": "https://esta.cbp.dhs.gov/",
            "title": "Official ESTA Application Website - Home"
          }
        ],
        "preopenedReferences": true,
        "stageOnly": true
      },
      "q3": {
        "question": "What are the ground transportation options in San Francisco?",
        "answer": "San Francisco International Airport offers several ground transportation options to the city center. BART rapid rail is the fastest and most-used way to reach downtown San Francisco, with frequent service directly from the International Terminal. Ride-share services like Lyft and Uber, plus taxis, are available at designated pickup areas, and the Rental Car Center is accessible via the AirTrain. SamTrans bus Route 292 also stops at the terminals, though it is slower than BART. BART's convenience and speed make it the preferred choice for most travelers.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://flysfo.com/passengers/ground-transportation/public-transit",
            "title": "Public Transit | San Francisco International Airport",
            "favicon": "https://flysfo.com/themes/custom/blueskies/favicon.ico",
            "time_published": "2026-08-17T20:51:53Z"
          },
          {
            "url": "https://flysfo.com/passengers/ground-transportation",
            "title": "Ground Transportation | San Francisco International Airport",
            "favicon": "https://flysfo.com/themes/custom/blueskies/favicon.ico",
            "time_published": "2026-08-17T22:27:43Z"
          },
          {
            "url": "https://www.flysfo.com/passengers/ground-transportation/public-transit/ride-bart",
            "title": "BART | San Francisco International Airport",
            "favicon": "https://www.flysfo.com/themes/custom/blueskies/favicon.ico",
            "time_published": "2025-06-26T22:28:56Z"
          },
          {
            "url": "https://www.flysfo.com/",
            "title": "San Francisco International Airport | SFO Official Site",
            "favicon": "https://www.flysfo.com/themes/custom/blueskies/favicon.ico"
          },
          {
            "url": "https://flysfo.com/passengers/ground-transportation/getting-around-sfo",
            "title": "Getting Around SFO | San Francisco International Airport",
            "favicon": "https://flysfo.com/themes/custom/blueskies/favicon.ico",
            "time_published": "2026-08-11T21:48:22Z"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from London to San Francisco?",
        "answer": "Average fares on the London to San Francisco route bottom out around $403 in late January, making that the cheapest stretch to fly. Overall, the cheapest months are September at $411, January at $418, and October at $418, while late December is the most expensive period, averaging $545.",
        "methodology": "Seasonal fares come from Priceline's own air booking-summary archive, analysed in-house and refreshed monthly. For each day of the year we take a representative round-trip fare, a blend of the 25th-percentile and average ticket price over the route's bookings, and smooth the series into a seasonal curve; the half-month low and high and the monthly figures quoted here are averages of that curve. Thin and international routes borrow their seasonal shape from the nearest busy routes, with the price level anchored to the route's own bookings.",
        "toolsUsed": [
          "seasonal_prices"
        ]
      },
      "q5": {
        "question": "How far in advance should I book tickets from London to San Francisco?",
        "answer": "For flights from London to San Francisco, the optimal booking window is 4-6 weeks before departure, with an average fare around $367. Fares start climbing significantly when booking more than 8 weeks out, reaching about $551 at six months ahead, so booking too early is the main risk; for peak summer and holiday periods, expect to book even closer to 4 weeks out and pay a premium over these averages.",
        "methodology": "Booking-window guidance comes from the same monthly in-house analysis of Priceline's own air booking-summary archive. We aggregate the route's bookings by how many days before departure they were made, from about 180 days out to the day of travel, smooth the curve, and highlight the stretch of lead times with the lowest average fare. Thin and international routes borrow the curve shape from the nearest busy routes, anchored to the route's own price level. It reflects current fares and is refreshed monthly.",
        "toolsUsed": [
          "booking_timing"
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from London to San Francisco?",
        "answer": "No overnight red-eye flights operate on the LHR to SFO route — neither nonstop nor connecting itineraries with a red-eye long leg were found in the schedule.",
        "methodology": "Red-eye flights are identified from scheduled local departure and arrival times in our flight-schedule database — built from published airline timetables and official schedule data, including U.S. Department of Transportation records for domestic routes — flagging services that depart late at night and arrive the following morning; for connecting itineraries the red-eye is based on the timing of the overnight long-haul leg.",
        "toolsUsed": [
          "redeye_flights"
        ]
      },
      "q7": {
        "question": "Which airlines usually operate this route from London to San Francisco?",
        "answer": "United, British Airways, and Virgin Atlantic fly non‑stop from London Heathrow to San Francisco. United operates up to 35 weekly flights and is typically the low‑fare leader with a median around $617, British Airways offers 28 weekly flights with a median near $654, and Virgin Atlantic runs 21 weekly flights with a median around $729.",
        "methodology": "Airlines and weekly frequencies come from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We count each operating carrier's scheduled weekly departures and the days it flies; where there is no nonstop service, connecting carriers are identified by linking scheduled nonstop segments through common hub airports. Where a typical fare is shown for a carrier, it is the median of the real fares Priceline users found on this route in the last 72 hours.",
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q8": {
        "question": "If I need a connection, what are common layover cities between London and San Francisco?",
        "answer": "Common layovers include Dublin, Reykjavik, New York and Los Angeles. Dublin and Reykjavik offer efficient transfers with US pre‑clearance; US hubs provide broad domestic connections and ample onward flights."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to San Francisco?",
        "answer": "September and October offer the warmest, sunniest weather with fewer tourists than summer."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from London to San Francisco?",
        "answer": "Bring a passport valid for your stay, an approved ESTA or U.S. visa, proof of onward or return travel, a payment method for baggage, and any required vaccination or health documents."
      },
      "q12": {
        "question": "Which airport should I use in San Francisco?",
        "answer": "San Francisco International is the primary airport, located 13 miles south of downtown, and serves as a major hub for United Airlines and a focus city for Alaska Airlines. Oakland International, across the bay, is a base for Southwest Airlines and offers many low-cost domestic flights. San Jose International serves the South Bay and Silicon Valley, with a focus on business travel."
      },
      "q13": {
        "question": "How do I get to Heathrow Airport from the city center?",
        "answer": "From central London, the fastest way to reach Heathrow Airport is the Heathrow Express, a non-stop train to Paddington in about 15 minutes, with trains every quarter hour; it is also one of the most popular choices for speed. The London Underground (Piccadilly line) is the cheapest rail option, taking under an hour with trains every 10 minutes, while the Elizabeth line offers a middle ground at about 45 minutes. Coaches run to Victoria and other UK destinations from the Central Bus Station, and black cabs or pre-booked minicabs provide door-to-door service, typically taking at least an hour by road. Driving yourself is possible but you may face congestion and ULEZ charges, and airport parking is available at a premium.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.heathrow.com/transport-and-directions/getting-to-central-london",
            "title": "Getting to Central London | Heathrow",
            "favicon": "https://www.heathrow.com/etc.clientlibs/heathrow/clientlibs/vanilla-components/base/resources/favicon-57x57.png"
          },
          {
            "url": "https://www.heathrow.com/transport-and-directions",
            "title": "Transport and directions | Heathrow",
            "favicon": "https://www.heathrow.com/etc.clientlibs/heathrow/clientlibs/vanilla-components/base/resources/favicon-57x57.png"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Heathrow_Central_bus_station",
            "title": "Heathrow Central bus station",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-08-24T02:58:47Z"
          },
          {
            "url": "https://heathrow.com/de/transport-and-directions/getting-to-central-london",
            "title": "Anreise in die Londoner Innenstadt (Central London) | Heathrow",
            "favicon": "https://www.heathrow.com/etc.clientlibs/heathrow/clientlibs/vanilla-components/base/resources/favicon-57x57.png"
          },
          {
            "url": "https://www.heathrow.com/fr/transport-and-directions/getting-to-central-london",
            "title": "Se rendre au centre de Londres | Heathrow",
            "favicon": "https://www.heathrow.com/etc.clientlibs/heathrow/clientlibs/vanilla-components/base/resources/favicon-57x57.png"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at San Francisco airport?",
        "answer": "San Francisco International Airport has a hotel directly connected to the terminal: the Grand Hyatt at SFO, reachable in about five minutes via the AirTrain with no shuttle required. Inside the International Terminal, FreshenUp offers private nap rooms and showers for a fee, with small nap rooms from $150 for three hours and overnight options available. Several other hotels are located near the airport, such as The Millwood and the Westin San Francisco Airport, and many provide free shuttle service.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://flysfo.com/passengers/services/nap-rooms",
            "title": "Nap Rooms & Shower Facilities | San Francisco International Airport",
            "favicon": "https://flysfo.com/themes/custom/blueskies/favicon.ico",
            "time_published": "2026-06-24T19:24:47Z"
          },
          {
            "url": "https://sleepinginairports.net/guides/san-francisco-airport-guide.htm",
            "title": "San Francisco Airport Guide (SFO) - Sleeping in Airports",
            "favicon": "https://www.sleepinginairports.net/nitropack_static/oBWrHkPujHTPIaVWqdDSDhClXUyrYhhb/assets/images/optimized/rev-b853180/www.sleepinginairports.net/wp-content/uploads/2018/09/cropped-sia-logo-180x180.png",
            "time_published": "2018-10-02T00:00:42Z"
          },
          {
            "url": "https://sleepinginairports.net/reviews/san-francisco-airport-reviews.htm",
            "title": "San Francisco   Airport Reviews (SFO) – Sleeping in Airports",
            "favicon": "https://www.sleepinginairports.net/wp-content/uploads/2018/09/cropped-sia-logo-180x180.png",
            "time_published": "2025-02-10T18:15:46Z"
          }
        ]
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at San Francisco Intl Airport?",
        "answer": "San Francisco International Airport offers a currency exchange service, and its Passenger Services listing includes currency exchange along with amenities like luggage storage and a medical clinic. A Reflection Room in the terminals serves as a center for quiet self-reflection and meditation, including a prayer room. Free Wi-Fi is available throughout the airport, and the Reflection Room can be found among the wellness offerings alongside yoga rooms and a sensory room.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://flysfo.com/passengers/services-amenities",
            "title": "Services & Amenities | San Francisco International Airport",
            "favicon": "https://flysfo.com/themes/custom/blueskies/favicon.ico",
            "time_published": "2026-03-03T22:32:54Z"
          },
          {
            "url": "https://flysfo.com/sites/default/files/2024-06/240614_SFO_Tabloid_Face A_T1-no-foodcourt_WEB_0621.pdf",
            "title": "240614_SFO_Tabloid_Face A_T1_Template_MASTER Update.indd",
            "time_published": "2024-06-17T18:03:02Z"
          },
          {
            "url": "https://flysfo.com/passengers",
            "title": "Passengers | San Francisco International Airport",
            "favicon": "https://flysfo.com/themes/custom/blueskies/favicon.ico",
            "time_published": "2026-04-14T23:46:29Z"
          },
          {
            "url": "https://www.flysfo.com/",
            "title": "San Francisco International Airport | SFO Official Site",
            "favicon": "https://www.flysfo.com/themes/custom/blueskies/favicon.ico"
          },
          {
            "url": "https://en.wikipedia.org/wiki/SFO",
            "title": "San Francisco International Airport",
            "time_published": "2026-04-27T05:13:36Z"
          }
        ]
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the London and San Francisco airports?",
        "answer": "At London Heathrow, travelers with disabilities can request assistance through their airline at least 48 hours before departure, with support available from check-in through boarding, including accessible toilets, induction loops, and free sunflower lanyards for non-visible disabilities. San Francisco International offers wheelchair and guided assistance arranged via the airline, companion care restrooms, a sensory room in Terminal 1, and TSA Cares for security screening help requested 72 hours in advance. Both airports provide children's facilities: Heathrow has quiet areas and changing places, while SFO has adult changing tables and the sensory room suitable for families.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.heathrow.com/at-the-airport/assistance-and-accessibility",
            "title": "Assistance and accessibility | Heathrow",
            "favicon": "https://www.heathrow.com/etc.clientlibs/heathrow/clientlibs/vanilla-components/base/resources/favicon-57x57.png"
          },
          {
            "url": "https://www.heathrow.com/at-the-airport/assistance-and-accessibility/help-in-the-terminal",
            "title": "Help in the terminal | Heathrow",
            "favicon": "https://www.heathrow.com/etc.clientlibs/heathrow/clientlibs/vanilla-components/base/resources/favicon-57x57.png"
          },
          {
            "url": "https://www.heathrow.com/at-the-airport/assistance-and-accessibility/request-assistance-before-leaving-home",
            "title": "Request assistance before leaving home | Heathrow",
            "favicon": "https://www.heathrow.com/etc.clientlibs/heathrow/clientlibs/vanilla-components/base/resources/favicon-57x57.png"
          },
          {
            "url": "https://www.heathrow.com/at-the-airport/assistance-and-accessibility/assistance-departure-guide",
            "title": "Assistance departure guide | Heathrow",
            "favicon": "https://www.heathrow.com/etc.clientlibs/heathrow/clientlibs/vanilla-components/base/resources/favicon-57x57.png"
          },
          {
            "url": "https://www.flysfo.com/de/node/10035",
            "title": "Accessibility | San Francisco International Airport",
            "time_published": "2026-04-30T20:33:21Z"
          },
          {
            "url": "https://flysfo.com/passengers/services-amenities/accessibility",
            "title": "Accessibility | San Francisco International Airport",
            "favicon": "https://flysfo.com/themes/custom/blueskies/favicon.ico",
            "time_published": "2026-08-12T20:12:42Z"
          },
          {
            "url": "https://flysfo.com/passengers/services-amenities/accessibility/at-sfo",
            "title": "At SFO | San Francisco International Airport",
            "favicon": "https://flysfo.com/themes/custom/blueskies/favicon.ico",
            "time_published": "2026-05-21T22:27:23Z"
          },
          {
            "url": "https://www.flysfo.com/de/node/14867",
            "title": "At SFO | San Francisco International Airport",
            "time_published": "2026-04-15T15:54:00Z"
          },
          {
            "url": "https://www.flysfo.com/passengers/services-amenities/medical-services",
            "title": "Medical Services | San Francisco International Airport",
            "favicon": "https://www.flysfo.com/themes/custom/blueskies/favicon.ico",
            "time_published": "2026-05-26T21:54:18Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from London to San Francisco?",
        "answer": "British Airways operates the most flights on the London to San Francisco route, using the Airbus A380-800 and Boeing 777-300ER. United flies Boeing 777 family aircraft, and Virgin Atlantic uses the Boeing 787-9.",
        "methodology": "Aircraft types come from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). For U.S. routes the type is grounded in the tail number that actually operated the flight; elsewhere it comes from the airline's filed equipment code. Where the source does not commit to a specific variant we name the aircraft family (for example Airbus A320 family) rather than guess, and where no reliable type is on file the aircraft is omitted rather than estimated. Types describe typical scheduled equipment and can vary with seasonal or day-of-week assignments and last-minute swaps.",
        "toolsUsed": [
          "flight_schedule"
        ]
      },
      "q18": {
        "question": "Which airline alliances serve flights from London to San Francisco?",
        "answer": "The nonstop carriers on the London Heathrow to San Francisco route are United Airlines (Star Alliance), British Airways (oneworld), and Virgin Atlantic (SkyTeam). All three belong to major alliances, so there is no unaffiliated carrier operating nonstop service on this route.",
        "methodology": "Airlines and weekly frequencies are compiled from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We count each operating carrier's scheduled weekly departures and the days it flies; where there is no nonstop service, connecting carriers are identified by linking scheduled nonstop segments through common hub airports. Where a median fare is shown for a carrier, it reflects the real fares Priceline users found on this route in the last 72 hours. Stop counts, connecting hubs, and per-airline prices are drawn from a large sample of the real fares Priceline users found on this route in the last 72 hours. We group those fares by number of stops, by the hub airport a connection routes through, and by operating airline, and report each group's share of the sample alongside its lowest and median price. Carrier service, flight times and distances for this route come from our flight-schedule database, which draws on published airline timetables, U.S. government schedule data, and observed operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We report the days of the week and the departure times each carrier operates. The typical flight time is the median scheduled block time, given both per carrier and across all carriers on the route; where a schedule does not publish an elapsed time, it is derived from the scheduled departure and arrival times converted to UTC. Outbound and return times are computed by the same method, so the difference between them is directly comparable and reflects prevailing winds rather than any change in derivation. Distance is the great-circle distance between the two specific airports named, so an actual flown track is typically 2-5% longer. Where shown, on-time departure and arrival rates and cancellation rates come from the U.S. Bureau of Transportation Statistics (BTS) Airline On-Time Performance dataset, which covers U.S. domestic routes only; where a typical fare is shown, it comes from the U.S. DOT Airline Origin and Destination Survey (DB1B), a quarterly 10% sample of tickets sold.",
        "toolsUsed": [
          "route_airlines",
          "route_options",
          "flight_schedule"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from London?",
        "answer": "London Heathrow offers many lounges across its terminals, including No.1 Lounges in Terminal 2 and Terminal 3, Plaza Premium Lounges in Terminals 2, 3, 4, and 5, and the Club Aspire Lounge in Terminal 5. Terminal 2 also has Lufthansa Business and Senator Lounges, while Terminal 4 features the Blush Lounge by Plaza Premium Group. Terminal 3 is home to The Centurion Lounge and My Lounge. Pre-booking is available for several of these lounges.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://my.prioritypass.com/en-GB/lounges/united-kingdom/heathrow",
            "title": "Heathrow Airport LHR Lounges - LHR Airport Guide and lounges. | Priority Pass",
            "favicon": "https://my.prioritypass.com/icon.png?a4ff481221414a5c",
            "time_published": "2024-11-05T16:20:09Z"
          },
          {
            "url": "https://prioritypass.com/en-GB/lounges/united-kingdom/heathrow",
            "title": "Heathrow Airport LHR Lounges - LHR Airport Guide and lounges. | Priority Pass",
            "time_published": "2024-11-05T00:00:00Z"
          },
          {
            "url": "https://heathrow.com/at-the-airport/terminal-guides",
            "title": "Terminal guides | Heathrow",
            "favicon": "https://www.heathrow.com/etc.clientlibs/heathrow/clientlibs/vanilla-components/base/resources/favicon-57x57.png"
          },
          {
            "url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/LHR",
            "title": "American Express Lounges at London Heathrow Airport | Amex US",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://www.delta.com/us/en/airports/europe/london-sky-club-airport-map",
            "title": "London Heathrow (LHR) Airport Map & Lounges | Delta Air Lines",
            "favicon": "https://www.delta.com/content/dam/delta-applications/dlhome/favicon.ico"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from London to San Francisco?",
        "answer": "From London to San Francisco, allowance varies by airline and fare. Basic economy often excludes checked bags, while standard economy typically includes one checked bag and a carry‑on. Premium cabins offer more generous limits."
      },
      "q22": {
        "question": "What cabin and seat options are typical from London to San Francisco?",
        "answer": "Flights from London to San Francisco typically offer Economy, Premium Economy, and flat-bed Business class; First class is available on select airlines."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies vary by airline and fare; flexible and premium cabin tickets often allow same‑day changes or standby, while restrictive economy fares typically do not."
      }
    }
  }
}