{"response": {"Key": "CUN-IAD", "orig": {"code": "CUN", "type": "airport", "city": "Cancún", "fullCity": "Cancún, Quintana Roo", "airport": "Cancún Intl Airport"}, "dest": {"code": "IAD", "type": "airport", "city": "Washington", "fullCity": "Washington, United States", "airport": "Washington Intl Airport"}, "faq": {"q0": {"question": "What is the typical flight duration from Cancún to Washington?", "answer": "The flight from Cancún to Washington is about 1,360 miles. Nonstop service on United Airlines typically takes 3 hours and 26 minutes, with the return leg to Cancún averaging 3 hours and 42 minutes — about 16 minutes longer, a small difference driven by prevailing winds.", "methodology": "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": ["flight_schedule"]}, "q1": {"question": "Are there any direct flights from Cancún to Washington?", "answer": "United Airlines flies nonstop from Cancún to Washington Dulles daily, with up to 56 weekly departures at various times throughout the day (from early morning around 7:45 AM through late afternoon at 5:09 PM). The flight takes about 3 hours 26 minutes eastbound, while the return is closer to 3 hours 42 minutes due to prevailing winds. United is the only carrier offering 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. 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", "flight_schedule"]}, "q3": {"question": "What are the ground transportation options in Washington?", "answer": "From Washington Dulles (IAD), the fastest connection to downtown Washington, DC is the Silver Line Express bus to the Wiehle-Reston East Metrorail station, then the Silver Line train into the city; the combined trip takes about an hour. Taxis and ride‑share services like Uber and Lyft are available curbside and provide a direct, door‑to‑door option in roughly 40–60 minutes, making them the most‑used choice for convenience. Shared‑van shuttles offer a budget‑friendly alternative, while rental cars are accessible on‑site for travelers who prefer to drive themselves.", "toolsUsed": [], "references": [{"url": "https://flydulles.com/flight-schedule-dulles-international-airport-iad", "title": "flydulles.com - Flight Schedule - Dulles International Airport (IAD)", "time_published": "2022-03-01T00:00:00Z"}, {"url": "https://parking.flydulles.com/economy-parking", "title": "Dulles International Airport Parking | Economy Parking", "time_published": "2026-02-06T00:00:00Z"}, {"url": "https://www.mwaa.com/ipw-2017-archived", "title": "IPW 2017 - Archived", "time_published": "2021-02-01T00:00:00Z"}, {"url": "https://www.mwaa.com/policefireems/fire-ems/fire-ems-washington-dulles-international-airport", "title": "mwaa.com - Fire & EMS at Washington Dulles International Airport", "favicon": "https://www.mwaa.com/themes/custom/mwaa_barrio/favicon.ico", "time_published": "2023-09-01T00:00:00Z"}, {"url": "https://en.wikipedia.org/wiki/Dulles%20International%20Airport", "title": "Dulles International Airport", "time_published": "2026-04-30T14:07:38Z"}]}, "q4": {"question": "When is the cheapest time to fly from Cancún to Washington?", "answer": "The cheapest time to fly from Cancún to Washington is in the low season, particularly September (average $358), October ($388), November ($389), and August ($396). The most expensive months are December (average $546), March ($492), and April ($464), which fall into the high season.", "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.", "toolsUsed": ["seasonal_prices"]}, "q5": {"question": "How far in advance should I book tickets from Cancún to Washington?", "answer": "For flights from Cancún to Washington, the best fares typically appear when you book 9 to 12 weeks ahead, with an average price around $456. Booking about 80 days out can yield the lowest fares near $455, while last-minute purchases often cost over $600. During summer and holiday peaks, it's wise to book even earlier, as prices tend to rise more sharply closer to departure.", "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.", "toolsUsed": ["booking_timing"]}, "q6": {"question": "Are overnight (red‑eye) flights available from Cancún to Washington?", "answer": "No nonstop red‑eye flights operate from Cancún to Washington Dulles. Connecting itineraries with an overnight leg are available — for example, American Airlines via Miami, with the red‑eye leg departing Miami at 10:10 PM and arriving at Reagan National (DCA) at 12:57 AM, landing in the early hours (just after midnight).", "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 Washington?", "answer": "United Airlines flies nonstop from Cancún to Washington Dulles with up to 56 weekly flights, operating daily with multiple departures throughout the day. The approximate median fare on United is $613, making it the low-fare leader for 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.", "toolsUsed": ["route_airlines"]}, "q8": {"question": "If I need a connection, what are common layover cities between Cancún and Washington?", "answer": "Common layovers include Atlanta, Charlotte, Dallas/Fort Worth and Miami. These hubs offer broad domestic connections, efficient transfers and keep total travel time competitive."}, "q10": {"question": "Which months have the best weather for traveling to Washington?", "answer": "April to May and September to October offer pleasant temperatures and fewer tourists compared to summer and cherry blossom peak."}, "q11": {"question": "What documents should I bring with me to the airport when flying from Cancún to Washington?", "answer": "Bring a passport valid for your stay, a U.S. visa or ESTA if required, proof of onward travel and a payment method for baggage."}, "q12": {"question": "Which airport should I use in Washington?", "answer": "Washington has three airports. Dulles is the main international gateway, located 26 miles west of downtown. Reagan National is closest to the city centre and serves domestic and some international routes, but with perimeter rules. Baltimore/Washington is farther northeast and offers low-cost carriers and additional domestic connections."}, "q14": {"question": "Are there hotels or sleeping facilities at Washington airport?", "answer": "Washington Dulles Airport has a Sleepbox Lounge with 16 sound-proof rooms located airside, and the Washington Dulles Airport Marriott is on airport grounds with a free shuttle. No capsule hotels or sleeping pods are available, but nearby hotels are connected by free airport shuttles.", "toolsUsed": [], "references": [{"url": "https://sleepinginairports.net/guides/washington-dulles-airport-guide.htm", "title": "Washington Dulles Airport Guide (IAD) - 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": "2018-08-08T21:11:21Z"}, {"url": "https://www.sleepinginairports.net/sleep-guide/sleeping-in-washington-dulles-airport.htm", "title": "Sleeping in Washington Dulles Airport", "time_published": "2024-09-12T00:00:00Z"}, {"url": "https://www.marriott.com/en-us/hotels/iadap-washington-dulles-airport-marriott/overview/?scid=d2406702-e8ea-4b45-bb9b-69", "title": "Hotel near IAD Airport | Washington Dulles Airport Marriott", "time_published": "2025-02-19T00:00:00Z"}, {"url": "https://www.marriott.com/en-us/hotels/iadap-washington-dulles-airport-marriott/overview/?scid=f2ae0541-1279-4f24-b197-a979c79310b0", "title": "Hotel near IAD Airport | Washington Dulles Airport Marriott", "time_published": "2024-10-11T00:00:00Z"}, {"url": "https://www.flydulles.com/", "title": "Official Website of Washington Dulles International Airport - IAD", "favicon": "https://www.flydulles.com/themes/custom/mwaa_barrio/favicon.ico", "time_published": "2026-07-17T00:00:00Z"}, {"url": "https://www.airportsdata.net/airport-IAD-accommodation/", "title": "Sleeping at Dulles airport - Washington D.C.", "time_published": "2025-12-01T00:00:00Z"}]}, "q17": {"question": "What aircraft are typically used on flights from Cancún to Washington?", "answer": "Nonstop flights from Cancún to Washington Dulles are operated by United using a Boeing 737 MAX 9. On connecting itineraries the long leg from Cancún most often flies on a Boeing 737 MAX 8 (via Miami, Houston, or Dallas), an Airbus A321-100 (via Charlotte or Dallas), or a Boeing 737-900 (via Houston), with the shorter domestic hop to Dulles typically on a Boeing 737-800, 737 MAX 9, or Airbus A321. The exact aircraft can vary by day and airline, but the 737 MAX family and Airbus A321 series are the most common types on this route. Wi‑Fi and seatback entertainment are widely available across these aircraft, though availability depends on the specific plane and carrier.", "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 Washington?", "answer": "United Airlines operates nonstop service from Cancún to Washington Dulles, and it is a member of Star Alliance. No other alliances are represented by a nonstop carrier on this route, though one-stop itineraries on other alliances may be available.", "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"]}, "q20": {"question": "What are the best airport lounge options when departing from Cancún?", "answer": "Cancún International Airport has several lounges across Terminals 2, 3, and 4, including multiple Mera Business Lounge locations, The Lounge Cancun (operated by Global Lounge Network), and a VIP Lounge by MERA Roof in Terminal 3. The Mera Business Lounges in Terminal 2 and 3 accept Priority Pass, and the Terminal 4 Mera Business Lounge (International) is accessible with Priority Pass as well. The Lounge Cancun in Terminal 2 also belongs to the Priority Pass network and features a bar, showers, and a business center. In Terminal 3, The Lounge offers day passes and Priority Pass entry, while The Lounge in Partnership with Air Transat in Terminal 4 is available to Air Transat business class passengers and Priority Pass members. Eligibility generally includes business class tickets, elite status, Priority Pass membership, or paying a day pass fee, though specific policies vary by lounge.", "toolsUsed": [], "references": [{"url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/CUN", "title": "American Express Lounges at Cancun International Airport | Amex US", "time_published": "2026-05-05T00:00:00Z"}, {"url": "https://www.prioritypass.com/airport-guides/cancun-international", "title": "Cancun International CUN lounges - CUN Airport Guide and lounges. | Priority Pass", "time_published": "2026-01-01T00:00:00Z"}, {"url": "https://www.prioritypass.com/en-GB/airport-guides/cancun-international", "title": "Cancún Airport Guide | Priority Pass", "favicon": "https://www.prioritypass.com/icon.png?a4ff481221414a5c", "time_published": "2024-11-05T16:20:09Z"}, {"url": "https://airportcun.com", "title": "Cancun Airport Official Information | CUN | Arrivals, Departures and Transfers", "time_published": "2026-01-01T00:00:00Z"}, {"url": "https://americanexpress.com/es-mx/travel/lounges/the-platinum-card/CUN", "title": "Salas de American Express en Aeropuerto Internacional de Cancún | Amex MX", "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"}]}, "q21": {"question": "What is the baggage allowance on this route from Cancún to Washington?", "answer": "Baggage rules depend on the airline and fare type. Basic economy often excludes a free checked bag, while standard economy usually includes one checked bag and a carry-on. Premium cabins and higher fare classes offer additional allowance."}, "q22": {"question": "What cabin and seat options are typical from Cancún to Washington?", "answer": "Flights from Cancún to Washington typically offer Economy, and flat‑bed Business class on select airlines; Premium Economy is uncommon on this route."}, "q23": {"question": "Are same‑day changes or standby possible on this route?", "answer": "Policies vary by airline and fare; flexible tickets and premium cabins typically permit same‑day changes or standby, while Basic Economy usually does not."}}}}