{
  "response": {
    "Key": "IAD-CUN",
    "orig": {
      "code": "IAD",
      "type": "airport",
      "city": "Washington D.C.",
      "fullCity": "Washington D.C., United States",
      "airport": "Washington Intl Airport"
    },
    "dest": {
      "code": "CUN",
      "type": "airport",
      "city": "Cancún",
      "fullCity": "Cancún, Quintana Roo",
      "airport": "Cancún Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Washington D.C. to Cancún?",
        "answer": "A nonstop flight from Washington D.C. (IAD) to Cancún (CUN) typically takes about 3 hours 40 minutes to 4 hours. With one stop, common layovers include Miami (MIA) or Atlanta (ATL), bringing total travel time to around 6 to 8 hours. The return flight from Cancún to Washington D.C. is often slightly shorter, around 3 hours 30 minutes nonstop."
      },
      "q1": {
        "question": "Are there any direct flights from Washington D.C. to Cancún?",
        "answer": "Yes, United Airlines flies nonstop from Dulles (IAD) to Cancún (CUN) with daily service — about 7 departures a day spread from early morning (around 6:40 AM) through late afternoon (around 5:46 PM). United is the only carrier shown in the schedule data operating this route nonstop, using Boeing 737-900 and 737 MAX 9 aircraft.",
        "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. 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. 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",
          "route_aircraft",
          "flight_schedule"
        ]
      },
      "q2": {
        "question": "Are there visa requirements to travel from Washington D.C. to Cancún?",
        "answer": "Yes, visa requirements depend on your nationality. U.S. citizens do not need a visa for tourist or business visits to Mexico for up to 180 days, but they must hold a valid passport. U.S. lawful permanent residents (green card holders) also generally do not need a Mexican visa, regardless of nationality. Other nationals should check Mexico's visa policy: many countries are visa-exempt for short stays, while others require a visa. Travelers from Mexico to Washington D.C. must comply with U.S. entry rules; Mexican citizens typically need a U.S. visa or ESTA under the Visa Waiver Program if eligible."
      },
      "q3": {
        "question": "What are the ground transportation options in Cancún?",
        "answer": "Cancún International Airport (CUN) offers several ground transportation options to the city center and Hotel Zone. Official airport taxis are widely available but require pre-payment at designated booths and are relatively expensive, costing around $30 to $60 USD depending on the zone. Private shuttle services and shared vans can be booked in advance and offer better value for groups or families. Ride-share services like Uber have been legally restricted and are often unreliable at the airport, so travelers should not rely on them. Public buses, particularly the ADO bus, serve the airport and provide an affordable ride to downtown Cancún for about $5 USD, but they have limited stops and are slower. Car rentals are available from major agencies at the airport, though driving in Cancún can be challenging due to traffic and aggressive drivers. Most visitors staying at all-inclusive resorts use pre-arranged shuttles, while budget-conscious travelers often choose the ADO bus."
      },
      "q4": {
        "question": "When is the cheapest time to fly from Washington D.C. to Cancún?",
        "answer": "Based on seasonal price data, the cheapest months to fly from Washington D.C. (IAD) to Cancún (CUN) are September (average $355), August ($362), and July ($384), with the low season spanning September, August, July, and October. The most expensive months are December (average $570), March ($457), and April ($454), falling in the high season along with May.",
        "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.",
        "toolsUsed": [
          "seasonal_prices"
        ]
      },
      "q5": {
        "question": "How far in advance should I book tickets from Washington D.C. to Cancún?",
        "answer": "The optimal booking window for flights from Washington D.C. (IAD) to Cancún (CUN) is 9 to 12 weeks before departure, with an average fare around $461 and the single cheapest price of $457 observed at 85 days out. Booking last-minute (within 5 days) can cost over $634, while prices remain fairly stable around $470–$500 if booked 3 to 6 months ahead. For summer and holiday periods, you should book on the earlier side of this range or even slightly further out, as demand typically pushes last-minute fares higher.",
        "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.",
        "toolsUsed": [
          "booking_timing"
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Washington D.C. to Cancún?",
        "answer": "There are no overnight (red-eye) flights from Washington D.C. (IAD) to Cancún (CUN) — neither nonstop red-eyes nor connecting itineraries with a red-eye long leg appear in the schedule data for this route.",
        "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 Washington D.C. to Cancún?",
        "answer": "United Airlines operates nonstop flights from Washington-Dulles (IAD) to Cancún (CUN) with 49 weekly departures on daily service. Based on schedule data, the median fare for United on this route is around $584. No other nonstop carriers are shown 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 Washington D.C. and Cancún?",
        "answer": "Common layover cities include Atlanta, Miami, Houston, and Dallas, which offer frequent flights and efficient connections, keeping total travel time competitive. These hubs provide extensive domestic networks and minimize backtracking for this route."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Cancún?",
        "answer": "December to April offer sunny, warm days with low humidity and fewer tourists outside the holiday peak."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Washington D.C. to Cancún?",
        "answer": "Bring a passport valid for at least six months, a completed FMM form (provided on the plane), proof of onward or return travel, payment for baggage, and any required health documents. No visa is needed for U.S. citizens for tourism stays under 180 days."
      },
      "q12": {
        "question": "Which airport should I use in Cancún?",
        "answer": "Cancún International Airport is the only commercial airport serving Cancún. It is located about 16 km southwest of the Hotel Zone and downtown Cancún, offering direct access to the Riviera Maya. It handles all international and domestic flights with major US and global carriers, as well as low-cost and charter airlines."
      },
      "q13": {
        "question": "How do I get to Washington Intl Airport from the city center?",
        "answer": "From downtown D.C. to Dulles, the Silver Line Metro is the cheapest, taking about 50–60 min. Rideshares and taxis take 35–45 min and cost more. Shuttle buses and parking are also available."
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Cancún airport?",
        "answer": "Cancún International Airport does not have on-site hotels, capsule hotels, or sleeping pods. However, several nearby hotels offer free shuttle service, including the Courtyard by Marriott Cancún Airport and the Hilton Garden Inn Cancún Airport, both located a short drive from the terminals."
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Cancún Intl Airport?",
        "answer": "Cancún International Airport has currency exchange booths in all terminals, a chapel in Terminal 2 and free Wi‑Fi throughout the airport."
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Washington D.C. and Cancún airports?",
        "answer": "Washington Dulles provides wheelchair assistance and accessible restrooms; request via your airline at least 48 hours before departure. A children’s play area is near Gate B72. Cancún International offers wheelchair and golf‑cart assistance, plus a nursing room and small play areas in Terminals 3 and 4; book assistance through your airline in advance."
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Washington D.C. to Cancún?",
        "answer": "Nonstop flights from Washington Dulles (IAD) to Cancún (CUN) typically use Boeing 737 MAX 8, 737 MAX 9, and 737-900 aircraft, with United and Southwest operating these services. Connecting itineraries most often involve Airbus A321s or additional 737 variants via hubs like Charlotte, Chicago O'Hare, or Orlando. The exact aircraft can vary by day and airline, but Wi-Fi and seatback entertainment are widely available on this route.",
        "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 Washington D.C. to Cancún?",
        "answer": "Star Alliance serves Washington D.C. (IAD) to Cancún (CUN) nonstop through United Airlines, the only carrier shown in the schedule data on this route. Other alliances may offer connecting itineraries, but United is the sole nonstop operator and belongs to Star Alliance.",
        "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 Washington D.C.?",
        "answer": "At Dulles International, United operates a United Club in Concourse C and a Polaris Lounge in Concourse C for international business-class passengers. The Turkish Airlines Lounge in Concourse B accepts Priority Pass and day-pass guests. The Air France-KLM Lounge in Concourse A serves business-class and elite travelers with a self-serve bar and quiet seating."
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Washington D.C. to Cancún?",
        "answer": "Baggage allowance on flights from Washington D.C. to Cancún depends on the airline and fare class. Basic economy tickets typically do not include a checked bag but allow one carry-on and a personal item. Standard economy often includes one free checked bag along with a carry-on. Premium cabins and higher fare classes generally offer two checked bags and more generous carry-on allowances. Always verify with your airline, as policies can differ between carriers like United, American, and Delta."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Washington D.C. to Cancún?",
        "answer": "Washington D.C. to Cancún flights usually offer Economy and standard recliner Business class; flat‑bed Business is uncommon and Premium Economy is rarely available on this route."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies differ by airline and fare; flexible and premium tickets usually allow same‑day changes or standby, while Basic Economy generally does not."
      },
      "q24": {
        "question": "What are the cheapest days and times to fly from Washington D.C. to Cancún?",
        "answer": "The cheapest day to fly from Washington D.C. (IAD) to Cancún (CUN) is Sunday, with an average fare of $584, while Thursday is the most expensive at $680. For departure time, midday offers the lowest minimum fare at $333, contrasting with late night which has the highest minimum at $418.",
        "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 Washington D.C. to Cancún?",
        "answer": "A great deal on a flight from Washington D.C. to Cancún is anything under $344, while the typical price is around $580. Most fares fall between $400 and $600, so anything below $400 is 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"
        ]
      }
    }
  }
}