{
  "response": {
    "Key": "CUN-SFO",
    "orig": {
      "code": "CUN",
      "type": "airport",
      "city": "Cancún",
      "fullCity": "Cancún, Quintana Roo",
      "airport": "Cancún Intl 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 Cancún to San Francisco?",
        "answer": "A nonstop flight from Cancún (CUN) to San Francisco (SFO) takes about 5 hours 30 minutes to 5 hours 45 minutes. With one stop, common layover cities include Mexico City, Dallas, or Houston, bringing total travel time to 7–9 hours. The return flight from San Francisco to Cancún is similar, around 5 hours 30 minutes nonstop. United and Alaska Airlines often offer the fastest nonstop options on this route."
      },
      "q1": {
        "question": "Are there any direct flights from Cancún to San Francisco?",
        "answer": "Yes, there are nonstop flights from Cancún (CUN) to San Francisco (SFO) on two airlines: United operates multiple daily departures and Alaska Airlines runs one daily flight, both flying the route daily. United has around 8–10 departures spread throughout the day, while Alaska's single nonstop departs in the late afternoon around 5:55 PM.",
        "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 Cancún to San Francisco?",
        "answer": "Yes, visa requirements apply when traveling from Cancún to San Francisco, depending on your nationality. If you are a U.S. citizen, you do not need a visa to enter the U.S. If you are a Mexican citizen, you generally need a U.S. visa (such as a B1/B2 tourist visa) unless you hold a valid U.S. visa or are eligible for the Visa Waiver Program (Mexico is not a VWP country). Travelers of other nationalities should check U.S. entry requirements based on their citizenship, which may require a visa or ESTA authorization if eligible. Ensure your passport is valid for the duration of your stay."
      },
      "q3": {
        "question": "What are the ground transportation options in San Francisco?",
        "answer": "From San Francisco International Airport (SFO), the BART rapid transit system is the most used and efficient way to reach downtown San Francisco, taking about thirty minutes to the city center. Trains run frequently from the airport station connected to all terminals. SamTrans buses also serve the airport but are slower and less convenient for direct trips to downtown. Taxis and ride-share services like Uber and Lyft are readily available outside the baggage claim areas, taking twenty-five to forty minutes depending on traffic, though they are more expensive. Car rentals are accessible via the airport's rental car center, but driving and parking in the city center can be challenging. Shared vans and shuttles offer door-to-door service but are slower and must be booked in advance. BART is generally the preferred option due to its speed, reliability, and cost-effectiveness."
      },
      "q4": {
        "question": "When is the cheapest time to fly from Cancún to San Francisco?",
        "answer": "The cheapest months to fly from Cancún to San Francisco are August (average $491), July ($503), and September ($513), while the most expensive are December (average $751), January ($619), and March ($594).",
        "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 Cancún to San Francisco?",
        "answer": "For Cancún to San Francisco, the best time to book is roughly 8 to 11 weeks before departure, when average fares drop to around $587. Booking very last-minute (less than 2 weeks out) can push prices above $690, and holiday or peak summer periods often require booking even earlier for the best deals.",
        "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 Cancún to San Francisco?",
        "answer": "There are no nonstop red-eye flights from Cancún (CUN) to San Francisco (SFO). Connecting one-stop itineraries with an overnight leg are available, such as via Chicago O'Hare (ORD), Houston (IAH), or Chicago Midway (MDW), where the long leg departs between roughly 9:30 PM and 10:00 PM and arrives between midnight and 12:30 AM.",
        "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 Cancún to San Francisco?",
        "answer": "United Airlines and Alaska Airlines offer nonstop service from Cancún to San Francisco. United operates the route daily with multiple flights, and the median fare is around $639. Alaska also flies daily nonstop, with a median fare of about $1,053.",
        "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 Cancún and San Francisco?",
        "answer": "Common layover cities include Mexico City, Houston, Dallas, and Los Angeles. Mexico City offers the most direct routing and frequent connections. Houston and Dallas provide efficient U.S. pre-clearance and broad domestic networks. Los Angeles is a major West Coast hub with many onward flights to San Francisco, though it adds a bit more distance."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Cancún to San Francisco?",
        "answer": "On‑time performance is generally acceptable, though afternoon and evening flights can experience delays due to congestion or weather. Opting for early departures on carriers like United or Alaska Airlines typically improves punctuality odds."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to San Francisco?",
        "answer": "September and October offer San Francisco's warmest, sunniest weather with fewer tourists than summer."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Cancún to San Francisco?",
        "answer": "Carry a passport valid for your stay, a U.S. visa or ESTA, return or onward ticket, payment for baggage, and any required vaccination certificates. Check current entry rules."
      },
      "q12": {
        "question": "Which airport should I use in San Francisco?",
        "answer": "San Francisco International is the primary airport, located 13 miles south of downtown with direct BART rail access. It serves as a major hub for United Airlines and Alaska Airlines, offering extensive domestic and international connections. Oakland International, across the bay, is a focus city for Southwest Airlines, known for low-cost carriers and easier access to the East Bay. San Jose International is farther south, convenient for Silicon Valley business travelers and also served by Southwest and Alaska. For most visitors, SFO is the closest and most convenient to San Francisco's attractions."
      },
      "q13": {
        "question": "How do I get to Cancún Intl Airport from the city center?",
        "answer": "From downtown Cancún to Cancún International Airport, ADO buses run frequently and are the cheapest option, taking about 30 minutes. Taxis and rideshares are faster but cost significantly more. Shuttle vans offer a middle ground in price and convenience. Driving yourself is possible with parking available at the airport, but it's the most expensive choice overall."
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at San Francisco airport?",
        "answer": "San Francisco International Airport does not have hotels or capsule hotels directly inside the terminals, but the Grand Hyatt at SFO is on airport property and connected to all terminals via the AirTrain. Several nearby hotels offer free shuttle service, including the Westin, Marriott, and Embassy Suites."
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at San Francisco Intl Airport?",
        "answer": "Yes, SFO has currency exchange desks in the International Terminal and Terminal 3, a meditation room in Terminal 2 and a chapel in Terminal 1, plus free Wi‑Fi throughout all terminals."
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Cancún and San Francisco airports?",
        "answer": "Cancún International Airport provides wheelchair assistance and accessible restrooms; request help through your airline at least 48 hours in advance. There are no dedicated children's play areas. San Francisco International Airport offers wheelchair services, visual paging, and quiet rooms; the Kids' Spot play area is in Terminal 3, Boarding Area E. Arrange assistance 48 hours ahead."
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Cancún to San Francisco?",
        "answer": "Nonstop flights from Cancún to San Francisco typically use the Boeing 737 MAX 9 operated by United Airlines. On connecting itineraries, the most common long-leg aircraft include the Boeing 737-900, Boeing 737 MAX 9, Airbus A321-100, and Airbus A321-200 Neo, depending on the connection point and airline (primarily United and American via hubs like LAX, DFW, DEN, and IAH). The exact aircraft can vary by day and airline, but Wi-Fi and seatback entertainment are widely available on these routes.",
        "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 Cancún to San Francisco?",
        "answer": "The nonstop carriers on CUN–SFO are United Airlines (Star Alliance) and Alaska Airlines (oneworld). United operates multiple daily flights while Alaska has one daily departure. Other alliances may serve the route via connections, but United and Alaska are the only airlines shown with nonstop service in 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.",
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Cancún?",
        "answer": "Cancún International Airport has a Priority Pass‑affiliated MERA Business Lounge in Terminal 2 and The Lounge by Global Lounge Network in Terminals 3 and 4, all offering showers, snacks and workspaces. The VIP Lounge in Terminal 4 is available to business‑class passengers and select credit‑card holders. Day passes are sold where not restricted by class or status."
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Cancún to San Francisco?",
        "answer": "Baggage allowance on Cancún to San Francisco flights varies by airline and fare type. Basic economy may not include a checked bag, while standard economy often permits one checked bag and a carry-on. Premium cabins typically allow more."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Cancún to San Francisco?",
        "answer": "Flights from Cancún to San Francisco generally offer Economy and sometimes Premium Economy, with flat-bed Business class available on select wide-body aircraft or premium routes."
      },
      "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 Basic Economy typically does not."
      },
      "q24": {
        "question": "What are the cheapest days and times to fly from Cancún to San Francisco?",
        "answer": "The cheapest day to fly from Cancún to San Francisco is Friday, with an average fare of $700, while Sunday is the most expensive at $863 on average. The cheapest departure window is early morning, though midday and afternoon also see fares as low as $510.",
        "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 Cancún to San Francisco?",
        "answer": "A good price for a flight from Cancún to San Francisco is under $537, which is considered a great deal, while the typical fare is around $716.",
        "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"
        ]
      }
    }
  }
}