{
  "response": {
    "Key": "LHR-RDU",
    "orig": {
      "code": "LHR",
      "type": "airport",
      "city": "London",
      "fullCity": "London, England",
      "airport": "Heathrow Airport"
    },
    "dest": {
      "code": "RDU",
      "type": "airport",
      "city": "Raleigh",
      "fullCity": "Raleigh, North Carolina",
      "airport": "Raleigh Durham Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from London to Raleigh?",
        "answer": "The flight from London to Raleigh covers about 3,860 miles and typically takes 8 hours 45 minutes westbound. The return leg is noticeably shorter at 7 hours 35 minutes, a difference of over an hour 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 Raleigh?",
        "answer": "American Airlines flies nonstop from London Heathrow to Raleigh–Durham, with 28 weekly flights — four daily departures, every day of the week. Typical fares run around $1,566. No other carrier offers 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. 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": [
          "route_airlines",
          "redeye_flights"
        ]
      },
      "q2": {
        "question": "Are there visa requirements to travel from London to Raleigh?",
        "answer": "For British citizens travelling from London to Raleigh, no visa is required for a short tourist visit, and stays of up to 90 days are permitted under the Visa Waiver Program. However, an ESTA electronic travel authorisation must be obtained 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 Raleigh?",
        "answer": "At Raleigh–Durham International Airport, taxis and rideshare services like Uber and Lyft are readily available at designated pick-up zones outside baggage claim in both terminals, with Taxi Taxi reachable at (919) 333-3333. Public transit via GoTriangle Route 100 and the RDU Shuttle connects the airport to the Regional Transit Center, where travelers can transfer to buses across the Research Triangle, and intercity options include Greyhound and Amtrak from nearby Raleigh or Durham stations. Rental cars are also on airport property, with courtesy shuttles from both terminals to the consolidated rental car facility. Rideshare and prearranged services tend to be the most-used option for door-to-door convenience, while taxis offer a faster walk-up alternative, and the bus is the most economical choice.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://rdu.com/ground-transportation/taxis",
            "title": "Taxis - Raleigh-Durham International Airport",
            "favicon": "https://www.rdu.com/wp-content/themes/rdu/images/favicon.ico",
            "time_published": "2026-02-25T20:46:04Z"
          },
          {
            "url": "https://rdu.com/ground-transportation/bus-and-rail-service",
            "title": "Bus and Rail Service - Raleigh-Durham International Airport",
            "favicon": "https://www.rdu.com/wp-content/themes/rdu/images/favicon.ico",
            "time_published": "2026-06-25T16:39:45Z"
          },
          {
            "url": "https://www.rdu.com/",
            "title": "Home - Raleigh-Durham International Airport",
            "favicon": "https://www.rdu.com/wp-content/themes/rdu/images/favicon.ico",
            "time_published": "2026-07-23T15:57:46Z"
          },
          {
            "url": "https://www.rdu.com/ground-transportation/rental-cars/",
            "title": "Rental Cars - Raleigh-Durham International Airport",
            "favicon": "https://www.rdu.com/wp-content/themes/rdu/images/favicon.ico",
            "time_published": "2025-07-16T17:28:01Z"
          },
          {
            "url": "https://rdu.com/travel-info/travel-tips",
            "title": "Travel Tips - Raleigh-Durham International Airport",
            "favicon": "https://www.rdu.com/wp-content/themes/rdu/images/favicon.ico",
            "time_published": "2026-08-12T14:30:05Z"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from London to Raleigh?",
        "answer": "Average fares from London to Raleigh bottom out around $465 in late September. The cheapest months overall are September, October, and February, averaging $476, $481, and $487 respectively. The most expensive time to fly is late December, when average fares climb to about $624.",
        "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 Raleigh?",
        "answer": "For flights from London to Raleigh, the optimal booking window is roughly 4-6 weeks before departure, when fares average around $447. Booking about 35 days ahead yields the lowest typical price of $445, while booking very early (around 180 days out) or at the last minute pushes prices up to $680 or more. Summer and holiday periods tend to shift the ideal window slightly earlier, as demand spikes and the cheapest seats sell out sooner.",
        "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 Raleigh?",
        "answer": "No overnight (red-eye) flights operate from London Heathrow to Raleigh–Durham — neither nonstop nor on connecting itineraries where the long leg is a red-eye.",
        "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 Raleigh?",
        "answer": "American Airlines operates the only non‑stop service from London Heathrow to Raleigh‑Durham, with 28 flights a week departing daily around midday. The median fare on this route is approximately $1,566. Other carriers may serve the route with connections, but American is the sole non‑stop option.",
        "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 Raleigh?",
        "answer": "Common layover cities are New York, Atlanta, Boston, and Philadelphia, offering broad connections and efficient transfers with U.S. preclearance available in some cases."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Raleigh?",
        "answer": "April to early June and September to October offer pleasantly mild weather with fewer tourists."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from London to Raleigh?",
        "answer": "Bring a passport valid for at least six months beyond your stay, your 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 Raleigh?",
        "answer": "Raleigh-Durham International Airport is the only commercial airport serving Raleigh. It is located about 15 miles northwest of downtown Raleigh and is the primary gateway for the Research Triangle region."
      },
      "q13": {
        "question": "How do I get to Heathrow Airport from the city center?",
        "answer": "From central London to Heathrow, the Heathrow Express train reaches Paddington in 15 minutes and is the fastest option, while the London Underground (Piccadilly line) is the cheapest and most popular, taking under an hour. The Elizabeth line offers a middle ground at around 45 minutes, and coaches run to Victoria from about £10. Taxis, ride-share, and driving take at least an hour with congestion and ULEZ charges to consider, and parking is available at the terminals.",
        "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 Raleigh airport?",
        "answer": "Raleigh-Durham International Airport has no directly connected or on-site hotel; all sleeping accommodations are off-site and require a shuttle ride. Several hotels are located within a short drive of the airport, including Tru by Hilton Raleigh Durham Airport, Hyatt Place Raleigh-Durham Airport, Fairfield Inn & Suites Raleigh-Durham Airport/Brier Creek, Hyatt House Raleigh RDU, Country Inn & Suites by Radisson Raleigh – Durham Airport, and Aloft Raleigh-Durham Airport Brier Creek. Many of these offer airport shuttle service, though travelers should confirm schedules and pick-up instructions directly with their chosen hotel.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://sleepinginairports.net/guides/raleigh-durham-airport-guide.htm",
            "title": "Raleigh - Durham Airport Guide (RDU) - 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": "2018-08-06T08:16:56Z"
          },
          {
            "url": "https://www.rdu.com/",
            "title": "Home - Raleigh-Durham International Airport",
            "favicon": "https://www.rdu.com/wp-content/themes/rdu/images/favicon.ico",
            "time_published": "2026-07-23T15:57:46Z"
          },
          {
            "url": "https://rdu.com/ground-transportation/hotel-shuttles",
            "title": "Hotel Shuttles - Raleigh-Durham International Airport",
            "favicon": "https://www.rdu.com/wp-content/themes/rdu/images/favicon.ico",
            "time_published": "2026-06-30T15:28:45Z"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/rduac-residence-inn-raleigh-durham-airport-brier-creek/overview/",
            "title": "Extended Stay Raleigh Hotel | Residence Inn RDU Airport",
            "time_published": "2023-08-11T00:00:00Z"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/rduis-sheraton-imperial-hotel-raleigh-durham-airport-at-research-triangle-park/overview/",
            "title": "Hotel in Durham NC | Sheraton Imperial Hotel Raleigh-Durham Airport",
            "time_published": "2025-02-19T00:00:00Z"
          },
          {
            "url": "https://www.ihg.com/holidayinn/hotels/kr/ko/morrisville/rdums/hoteldetail",
            "title": "셔틀이 있는 RDU 호텔 | Holiday Inn 롤리-더럼 공항",
            "favicon": "https://digital.ihg.com/is/image/ihg/app-web-chiclet-holidayinn?fmt=png-alpha"
          }
        ]
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Raleigh Durham Intl Airport?",
        "answer": "Raleigh-Durham International Airport offers free Wi-Fi throughout both terminals, with the SSID 'RDU Free WiFi'. Currency exchange is available in Terminal 2, listed as 'Foreign Currency Exchange'. No prayer room or chapel is listed among the airport's services, though a USO lounge is available in both terminals for military travelers.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.rdu.com/shops-and-restaurants/services-and-amenities/",
            "title": "Services and Amenities - Raleigh-Durham International Airport",
            "favicon": "https://www.rdu.com/wp-content/themes/rdu/images/favicon.ico",
            "time_published": "2026-01-30T13:58:45Z"
          },
          {
            "url": "https://rdu.com/maps-and-directions/inside-rdu",
            "title": "Terminal Directory - Raleigh-Durham International Airport",
            "favicon": "https://www.rdu.com/wp-content/themes/rdu/images/favicon.ico",
            "time_published": "2026-08-12T20:06:51Z"
          },
          {
            "url": "https://www.rdu.com/",
            "title": "Home - Raleigh-Durham International Airport",
            "favicon": "https://www.rdu.com/wp-content/themes/rdu/images/favicon.ico",
            "time_published": "2026-07-23T15:57:46Z"
          },
          {
            "url": "https://rdu.com/shops-and-restaurants",
            "title": "Shops, Restaurants and Services - Raleigh-Durham International Airport",
            "favicon": "https://www.rdu.com/wp-content/themes/rdu/images/favicon.ico",
            "time_published": "2026-02-09T17:09:27Z"
          },
          {
            "url": "https://nfdc.faa.gov/nfdcApps/services/ajv5/airportDisplay.jsp?airportId=RDU",
            "title": "RALEIGH-DURHAM INTL",
            "time_published": "2026-01-01T00:00:00Z"
          }
        ]
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the London and Raleigh airports?",
        "answer": "At London Heathrow, passengers with disabilities can request assistance through their airline at least 48 hours before travel, and the airport provides dedicated assistance areas, sunflower lanyards for non-visible disabilities, accessible toilets, induction loops, and support from trained staff throughout the terminal. Raleigh–Durham International Airport offers wheelchair assistance through airlines or its Guest Experience team, a Hidden Disabilities Sunflower Program with free lanyards and pins at information desks, TTY units, and accessible parking. Travelers should arrange mobility assistance with their airline at least 48 hours before departure on this route.",
        "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://rdu.com/travel-info/traveling-with-disabilities",
            "title": "Traveling with Disabilities - Raleigh-Durham International Airport",
            "favicon": "https://www.rdu.com/wp-content/themes/rdu/images/favicon.ico",
            "time_published": "2014-11-18T15:43:58Z"
          },
          {
            "url": "https://www.rdu.com/travel-info/customer-service/",
            "title": "Customer Service - Raleigh-Durham International Airport",
            "favicon": "https://www.rdu.com/wp-content/themes/rdu/images/favicon.ico",
            "time_published": "2025-07-17T17:35:31Z"
          },
          {
            "url": "https://rdu.com/travel-info/travel-tips",
            "title": "Travel Tips - Raleigh-Durham International Airport",
            "favicon": "https://www.rdu.com/wp-content/themes/rdu/images/favicon.ico",
            "time_published": "2026-08-12T14:30:05Z"
          },
          {
            "url": "https://www.rdu.com/",
            "title": "Home - Raleigh-Durham International Airport",
            "favicon": "https://www.rdu.com/wp-content/themes/rdu/images/favicon.ico",
            "time_published": "2026-07-23T15:57:46Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from London to Raleigh?",
        "answer": "American Airlines operates the nonstop flight from London Heathrow to Raleigh-Durham using a Boeing 777-200. No other carriers or aircraft types are listed for this route.",
        "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"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from London?",
        "answer": "When departing from London Heathrow, you have a wide range of lounge options across all terminals. Terminal 2 offers No.1 Lounge and Plaza Premium Lounge, plus Lufthansa Business and Senator lounges. Terminal 3 has No1 Lounge Heathrow, My Lounge, Clubrooms (additional fee), a Plaza Premium Lounge, and The Centurion Lounge. Terminal 4 features Blush Lounge by Plaza Premium Group and a Plaza Premium Lounge, while Terminal 5 has Club Aspire Lounge and a Plaza Premium Lounge in Departures.",
        "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 Raleigh?",
        "answer": "Baggage rules depend on the airline and fare type. Basic economy tickets often exclude a checked bag, while standard international economy typically includes one checked bag up to 23 kg and a carry-on. Premium cabins offer higher allowances."
      },
      "q22": {
        "question": "What cabin and seat options are typical from London to Raleigh?",
        "answer": "London to Raleigh flights typically offer Economy and flat-bed Business class; Premium Economy is available on some connecting itineraries but not always on the transatlantic leg of nonstop flights."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies differ by airline and fare class; flexible and premium tickets often allow same‑day changes or standby, while restrictive economy fares typically do not."
      }
    }
  }
}