{
  "response": {
    "Key": "MAD-SFO",
    "orig": {
      "code": "MAD",
      "type": "airport",
      "city": "Madrid",
      "fullCity": "Madrid, Spain",
      "airport": "Adolfo Suárez Barajas 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 Madrid to San Francisco?",
        "answer": "A direct flight from Madrid (MAD) to San Francisco (SFO) typically takes around 12 hours and 30 minutes westbound. The return flight from San Francisco to Madrid is often shorter, averaging about 11 hours and 10 minutes eastbound due to prevailing tailwinds. For one-stop itineraries, common layover cities include New York, London, or Frankfurt, with total travel times ranging from 15 to 18 hours depending on connection duration. Airlines like Iberia and LEVEL operate nonstop services on this route."
      },
      "q1": {
        "question": "Are there any direct flights from Madrid to San Francisco?",
        "answer": "Yes, Iberia (IB) flies non‑stop from Madrid (MAD) to San Francisco (SFO) six times a week — twice daily on Tuesdays, Thursdays, and Saturdays, with departures around 12:35 and 12:45. No other airline currently offers a non‑stop on this route according to the schedule data.",
        "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. Carrier service and weekly frequencies are summarized 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). Where available, on-time and cancellation rates come from the U.S. Bureau of Transportation Statistics (BTS) Airline On-Time Performance dataset, and typical fares from the U.S. DOT Airline Origin and Destination Survey (DB1B), a quarterly 10% sample of tickets sold.",
        "toolsUsed": [
          "route_airlines",
          "flight_schedule"
        ]
      },
      "q2": {
        "question": "Are there visa requirements to travel from Madrid to San Francisco?",
        "answer": "Yes — visa requirements depend on your citizenship. If you are a Spanish citizen, you can travel to the U.S. for tourism or business for up to 90 days without a visa under the Visa Waiver Program, but you must have a valid ESTA authorization. If you are a U.S. citizen, you don’t need a visa to enter Spain for short stays. For other nationalities, check both U.S. and Schengen area entry rules."
      },
      "q3": {
        "question": "What are the ground transportation options in San Francisco?",
        "answer": "San Francisco International Airport (SFO) offers several ways to reach the city center. The BART train connects directly from the International Terminal to downtown stations in about thirty minutes and is the most used option for its speed, reliability, and affordability. SamTrans buses 292 and 398 provide a cheaper but slower alternative. Taxis are available outside all terminals and take roughly twenty-five to forty minutes depending on traffic, with flat-rate pricing to downtown. Ride-share services like Uber and Lyft are widely used and can be quicker than taxis. Car rentals are plentiful but parking in the city is expensive and limited, making them less practical for city stays. Most travelers prefer BART for its convenience and cost-effectiveness."
      },
      "q4": {
        "question": "When is the cheapest time to fly from Madrid to San Francisco?",
        "answer": "Based on seasonal price data, the cheapest months to fly from Madrid to San Francisco are March, April, and September, with average fares around $714, $754, and $782 respectively, while the most expensive months are June, July, and May, averaging $1,189, $1,017, and $963.",
        "methodology": "This 'good deal' estimate shows a representative best price for each departure date across roughly a 12-month window (about 3 months back and 9 months forward). It is built from real flight prices found by Priceline users searching this route, accumulated into a price history for each departure date. Rather than weighting all of that history equally, we apply exponential time decay so recent prices dominate — a price seen yesterday counts almost in full, one from about a month ago roughly a third, and prices from a few months back very little — giving a figure that tracks today's market instead of a stale long-run average. Clear price outliers are removed before any calculation, departure dates with no observations are filled in from nearby dates, and the resulting curve is lightly smoothed so it reads as a clean seasonal trend rather than day-to-day noise. For this route, fares for the requested travel direction were unavailable, so the pattern shown is derived from the reverse direction, which shares the same seasonal demand cycle.",
        "relevant": true,
        "toolsUsed": [
          "seasonal_prices"
        ]
      },
      "q5": {
        "question": "How far in advance should I book tickets from Madrid to San Francisco?",
        "answer": "For flights from Madrid to San Francisco, the optimal booking window is roughly 6 to 9 weeks before departure, with average fares around $803 during that period. Booking around 30 days out can occasionally yield slightly lower fares (around $795), but last‑minute bookings (less than 2 weeks) tend to spike above $900, so for summer or holiday travel it's wise to book at least 6–9 weeks ahead to secure the best rates.",
        "methodology": "This booking-window guidance is built from the same real flight prices found by Priceline users searching this route, re-grouped by how many days before departure each price was seen (from the departure day out to about 180 days ahead) across the route's price history. At each booking lead time we report the 25th-percentile price — the cheaper end of what travelers were quoted, rather than the rock-bottom minimum (which can be a fluke) or the average (which is pulled up by expensive last-minute fares). The buy-or-wait advice then applies a risk premium that grows as departure approaches, since seat availability shrinks and prices become less predictable; using that adjusted curve we flag windows where waiting is likely to save a meaningful amount (at least $20 or 5%) versus windows where booking now is the better call. Isolated single-day recommendations are filtered out, so the advice only reflects a window that holds for several days in a row. For this route, fares for the requested travel direction were unavailable, so the pattern shown is derived from the reverse direction, which shares the same seasonal demand cycle.",
        "relevant": true,
        "toolsUsed": [
          "booking_timing"
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Madrid to San Francisco?",
        "answer": "No overnight (red-eye) flights are available from Madrid to San Francisco — the schedule data shows no nonstop red-eyes, and no connecting itineraries with a red-eye long leg were found.",
        "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 Madrid to San Francisco?",
        "answer": "Nonstop service from Madrid (MAD) to San Francisco (SFO) is operated by Iberia (IB) with about 6 flights per week on Tuesdays, Thursdays, and Saturdays. The typical median fare for Iberia on this route is around $1,192. No other nonstop carriers appear in the schedule data for this city pair.",
        "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.",
        "relevant": true,
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q8": {
        "question": "If I need a connection, what are common layover cities between Madrid and San Francisco?",
        "answer": "Common layovers include New York (JFK), Dallas/Fort Worth, Miami, and Charlotte, which offer broad connections and efficient transfers for U.S. entry. Total travel time remains competitive, especially via JFK or Dallas. Visa or ESTA is required for the U.S. portion."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Madrid to San Francisco?",
        "answer": "On-time reliability is generally good, though afternoon and evening departures can face delays due to airport congestion or crew scheduling. Early morning flights, particularly on Iberia, often have better punctuality. San Francisco's weather can also impact arrivals, so booking the first departure of the day is a wise choice."
      },
      "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 Madrid to San Francisco?",
        "answer": "Bring a passport valid for at least six months beyond your stay, a valid U.S. visa or ESTA authorization, proof of onward or return travel, a payment method for baggage, and any required vaccination certificates."
      },
      "q12": {
        "question": "Which airport should I use in San Francisco?",
        "answer": "San Francisco International is the primary airport, located 13 miles south of downtown, served by major airlines including United's hub and Star Alliance partners, as well as Oneworld and SkyTeam carriers. Oakland International is across the bay, about 20 miles from downtown San Francisco, popular with low-cost carriers like Southwest. San Jose International is farther south, roughly 45 miles from downtown, convenient for Silicon Valley business travel and served by various domestic and some international airlines. For most travelers to San Francisco itself, SFO is the most direct choice."
      },
      "q13": {
        "question": "How do I get to Adolfo Suárez Barajas Airport from the city center?",
        "answer": "From central Madrid to Barajas, the airport express bus runs 24/7 and takes 40 min; it is popular and moderately priced. Metro line 8 is cheaper and takes under 30 min from Nuevos Ministerios. Rideshares and taxis are fastest at 20–30 min but cost more. Parking is available."
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at San Francisco airport?",
        "answer": "San Francisco International Airport has the Grand Hyatt at SFO on-site, located in the International Terminal, accessible via AirTrain without a shuttle. No capsule hotels or sleeping pods are available. Nearby hotels like the Westin and Marriott are connected by free shuttle."
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at San Francisco Intl Airport?",
        "answer": "San Francisco International Airport has currency exchange offices in the International Terminal and Terminals 1, 2, and 3, a Berman Reflection Room in the International Terminal pre‑security, and free Wi‑Fi throughout the airport."
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Madrid and San Francisco airports?",
        "answer": "Madrid‑Barajas provides free reduced‑mobility assistance, accessible restrooms, and children’s play areas in Terminals 2 and 4. San Francisco International offers wheelchair service, the AirTrain for accessible terminal transfers, a Quiet Room, and Kids’ Spots in Terminals 2 and 3. Request assistance through your airline at least 48 hours before departure."
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Madrid to San Francisco?",
        "answer": "Nonstop flights from Madrid to San Francisco are operated by Iberia using an Airbus A330-200, though the exact aircraft can vary by day and season. Connecting options feature a variety of widebody aircraft on the long-haul segment, most commonly the Boeing 777-200, Airbus A330-300, and Airbus A350-900, with short-haul legs on narrowbody jets like the Airbus A321 or Boeing 737. Onboard Wi-Fi and seatback entertainment are widely available across these aircraft types.",
        "methodology": "Aircraft types are taken from the equipment each operating carrier schedules on this route, drawn from published airline timetables and airline equipment schedules in our flight-schedule database. They describe typical scheduled aircraft and can vary with seasonal or day-of-week assignments and last-minute equipment swaps.",
        "toolsUsed": [
          "route_aircraft"
        ]
      },
      "q18": {
        "question": "Which airline alliances serve flights from Madrid to San Francisco?",
        "answer": "Iberia (IB) is the only airline shown with nonstop service in the schedule data from Madrid to San Francisco, and it belongs to the oneworld alliance. No other alliances (Star Alliance or SkyTeam) have a nonstop presence on this route, though they may offer connecting itineraries.",
        "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.",
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Madrid?",
        "answer": "At Madrid–Barajas, Iberia’s Velázquez and Dalí premium lounges in T4S serve business‑class passengers and oneworld elites with hot food, showers and quiet areas. The Sala Cibeles in T4 offers similar comforts. In T1, the independent Puerta de Alcalá lounge admits Priority Pass and day‑pass guests. The Plaza Mayor lounge in T2 provides basic refreshments and workspaces for walk‑in travellers."
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Madrid to San Francisco?",
        "answer": "On the Madrid–San Francisco route, baggage rules depend on the airline and fare type. Basic economy tickets usually do not include a checked bag, and some airlines may restrict a full-size carry-on to a personal item only. Standard international economy fares typically include one checked bag (up to 23 kg) and a carry-on plus a personal item. Premium economy and business class generally allow two checked bags and larger carry-on allowances."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Madrid to San Francisco?",
        "answer": "Flights from Madrid to San Francisco typically offer Economy, Premium Economy, and flat-bed Business class on most carriers."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies depend on the airline and fare type; flexible and premium cabin tickets typically allow same‑day changes or standby, while basic economy fares rarely do."
      },
      "q24": {
        "question": "What are the cheapest days and times to fly from Madrid to San Francisco?",
        "answer": "The cheapest day to fly from Madrid to San Francisco is Thursday, with an average fare of $1,193 and a minimum of $599, while Saturday is the most expensive day at an average of $1,263. The cheapest time of day to depart is early morning, with fares starting at $599.",
        "methodology": "The cheapest day of the week and time of day to depart are drawn from the same large sample of real fares Priceline users found on this route in the last 72 hours, grouped by the day of the week and by the time-of-day window of the outbound departure, with the lowest and average price reported for each.",
        "relevant": true,
        "toolsUsed": [
          "departure_timing"
        ]
      },
      "q25": {
        "question": "What is a good price for a flight from Madrid to San Francisco?",
        "answer": "A good fare on this route is anything under $786, which is considered a great deal based on recent price data. The typical price for a flight from Madrid to San Francisco is around $1,130, so you can consider $786 or below a solid bargain.",
        "methodology": "The typical price, the lowest fare, a 'great deal' threshold, and how fares are spread across price bands are summarized from a large sample of the real fares Priceline users found on this route in the last 72 hours, with a small fraction of extreme outlier fares excluded from the range.",
        "relevant": true,
        "toolsUsed": [
          "price_context"
        ]
      }
    }
  }
}