{"response": {"Key": "IAD-YYC", "orig": {"code": "IAD", "type": "airport", "city": "Washington", "fullCity": "Washington, United States", "airport": "Washington Intl Airport"}, "dest": {"code": "YYC", "type": "airport", "city": "Calgary", "fullCity": "Calgary, Alberta", "airport": "Calgary Intl Airport"}, "faq": {"q0": {"question": "What is the typical flight duration from Washington to Calgary?", "answer": "The flight from Washington (IAD) to Calgary is about 1,950 miles and typically takes 5 hours 0 minutes. The return leg is noticeably shorter at 4 hours 25 minutes — a difference of 35 minutes, with the westbound journey being the longer one.", "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 Washington to Calgary?", "answer": "Yes, United and WestJet both fly nonstop from Washington Dulles to Calgary. United operates daily with 14 flights a week, while WestJet flies 5 times a week on Mondays, Wednesdays, and Fridays. United's nonstop uses a Boeing 737 MAX 8 and is the low-fare leader with a typical fare around $529, while WestJet's typical fare runs about $1,041.", "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. 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_airlines", "route_aircraft"]}, "q3": {"question": "What are the ground transportation options in Calgary?", "answer": "Getting from Calgary International Airport (YYC) to downtown is straightforward, with taxis, ride-shares like Uber and Lyft, and rental cars all available directly outside the terminal. Public transit is provided by Calgary Transit buses connecting to various points around the city, though there is no LRT link. Taxis and ride-shares are the fastest and most-used options for a direct trip to the center, while hotel shuttles offer a convenient alternative for guests with bookings. Car rentals are ideal for exploring beyond the city, with over a dozen companies located just outside the terminal.", "toolsUsed": [], "references": [{"url": "http://www.yyc.com/en-us/transportation", "title": "YYC > Transportation", "favicon": "http://www.yyc.com/Portals/0/favicon.ico?ver=qudMMT9MonN0XtiNsqExIg%3d%3d"}, {"url": "https://yyc.com/CalgaryInternationalAirport(YYC)/tabid/55/content/0/language/en-US/Default.aspx", "title": "YYC > Flights > Customs & immigration", "time_published": "2026-01-01T00:00:00Z"}, {"url": "https://en.wikipedia.org/wiki/Calgary_International_Airport", "title": "Calgary International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-07-21T05:20:42Z"}, {"url": "https://en.wikipedia.org/wiki/File_talk:YYC_Calgary_Airport_Logo.png", "title": "File talk:YYC Calgary Airport Logo.png", "time_published": "2026-01-29T00:00:00Z"}, {"url": "https://yyc.com/HOME/tabid/55/content/0/language/en-US/FlyHealthyYYC.aspx", "title": "YYC - Calgary International Airport > Home", "favicon": "https://yyc.com/Portals/0/favicon.ico?ver=qudMMT9MonN0XtiNsqExIg%3d%3d"}]}, "q4": {"question": "When is the cheapest time to fly from Washington to Calgary?", "answer": "The cheapest months to fly from Washington to Calgary are September, August, and October, with average fares dropping as low as $429 in September. The most expensive months are March, January, and February, where average prices peak around $742 in March.", "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 to Calgary?", "answer": "For the best fare on flights from Washington to Calgary, aim to book 14 to 16 weeks ahead, when prices average around $424. The cheapest single-day price appears about 95 days out at $417, while last-minute bookings can cost over $1,000. For summer or holiday travel, booking even earlier is wise, as demand pushes optimal windows further out.", "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 to Calgary?", "answer": "No nonstop red-eye flights operate from Washington (IAD) to Calgary (YYC), but connecting itineraries whose long leg is an overnight flight are available. Air Canada offers red-eye connections via Toronto (YYZ) departing at 11:40 PM and arriving in Calgary at 1:56 AM (early hours) and via Montreal (YUL) departing at 9:10 PM and arriving at 11:52 PM the same night. Both options involve a layover at the connecting hub before the short onward flight to Calgary.", "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 to Calgary?", "answer": "United and WestJet operate nonstop flights from Washington Dulles to Calgary. United flies twice daily, every day, with a median fare around $529, while WestJet operates on Mondays, Wednesdays, and Fridays, with a median fare near $1,041.", "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 Washington and Calgary?", "answer": "Common layover cities between Washington (IAD) and Calgary (YYC) include Denver, Chicago, Minneapolis, and Toronto. Denver offers a central U.S. hub with efficient connections. Chicago provides broad domestic and international links. Minneapolis is a major hub with quick transfers. Toronto allows for a Canadian connection, often with streamlined transit for U.S. passengers."}, "q10": {"question": "Which months have the best weather for traveling to Calgary?", "answer": "June through early September offers mild, sunny days and the most comfortable conditions, with July and August being warmest but also busier; late spring and early fall are quieter but can be cooler."}, "q11": {"question": "What documents should I bring with me to the airport when flying from Washington to Calgary?", "answer": "Bring a passport valid for your stay; U.S. citizens do not need a visa but require an eTA if flying, plus proof of onward travel and payment for baggage."}, "q12": {"question": "Which airport should I use in Calgary?", "answer": "Calgary has one commercial airport, Calgary International Airport, located about 17 km northeast of downtown. It serves all domestic and international flights and is the only option."}, "q13": {"question": "How do I get to Washington Intl Airport from the city center?", "answer": "From downtown Washington, D.C., the fastest and most popular option is the Silver Line Metrorail: take the Silver Line Express bus from Dulles to the Wiehle-Reston East station ($5) and then the train into the city. Taxis and ride‑share services like Uber and Lyft offer direct door‑to‑door trips, with taxis available 24/7 from the arrivals level. Shared van services such as SuperShuttle provide a middle ground for groups. If driving, on‑airport parking includes terminal garages and a cheaper economy lot with a free shuttle.", "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"}]}, "q14": {"question": "Are there hotels or sleeping facilities at Calgary airport?", "answer": "Calgary International Airport (YYC) has two on-site hotels directly connected to the terminal: the Marriott In-Terminal Hotel in the Domestic Terminal and the Delta Hotels by Marriott Calgary Airport In-Terminal in the International Terminal, both accessible without a shuttle. There are no capsule hotels or sleeping pods inside the airport, but a designated quiet area with loungers is available airside near Gate A24 in Terminal 1. Several nearby hotels, such as the Residence Inn and The Westin, also offer free shuttle service.", "toolsUsed": [], "references": [{"url": "http://www.sleepinginairports.net/northamerica/calgary-airport.htm", "title": "Calgary Airport Guide (YYC) - Sleeping in Airports", "time_published": "2026-01-22T17:28:55Z"}, {"url": "https://sleepinginairports.net/guides/calgary-airport-guide.htm", "title": "Calgary Airport Guide (YYC) - 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": "2018-08-08T21:09:00Z"}, {"url": "https://en.wikipedia.org/wiki/Calgary_International_Airport", "title": "Calgary International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-07-21T05:20:42Z"}, {"url": "https://www.marriott.com/en-us/hotels/yycri-residence-inn-calgary-airport/overview/", "title": "Hotel near Calgary Airport with free shuttle | Residence Inn Calgary Airport", "time_published": "2025-02-19T00:00:00Z"}, {"url": "https://www.marriott.com/en-us/hotels/yycwa-the-westin-calgary-airport/overview/?scid=f2ae0541-1279-4f24-b197-a979c79310b0", "title": "The Westin Calgary Airport - Hotel with Shuttle Service to YYC", "time_published": "2025-02-19T00:00:00Z"}, {"url": "https://www.princeoftravel.com/airports/calgary-yyc/", "title": "The Complete Guide to Calgary International Airport (YYC) | Prince of Travel", "favicon": "https://www.princeoftravel.com/apple-touch-icon.png", "time_published": "2026-02-12T00:00:00Z"}]}, "q15": {"question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Calgary Intl Airport?", "answer": "Calgary International Airport (YYC) provides free Wi‑Fi throughout the terminal buildings for all passengers. There are multi‑faith prayer and meditation rooms located post‑security in the domestic terminal (near Gate A24) and in the international terminal (near Gate D72). Currency exchange services are available from ICE Currency Exchange counters in both the domestic and international departures areas, including a 24‑hour location in the international arrivals hall.", "toolsUsed": [], "references": [{"url": "https://en.wikipedia.org/wiki/Calgary_International_Airport", "title": "Calgary International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-07-21T05:20:42Z"}, {"url": "https://yyc.com/HOME/tabid/55/content/0/language/en-US/FlyHealthyYYC.aspx", "title": "YYC - Calgary International Airport > Home", "favicon": "https://yyc.com/Portals/0/favicon.ico?ver=qudMMT9MonN0XtiNsqExIg%3d%3d"}, {"url": "https://www.yyc.com/en-us/flights", "title": "YYC > Flights", "favicon": "https://www.yyc.com/Portals/0/favicon.ico?ver=qudMMT9MonN0XtiNsqExIg%3d%3d"}, {"url": "https://en.wikipedia.org/wiki/File_talk:YYC_Calgary_Airport_Logo.png", "title": "File talk:YYC Calgary Airport Logo.png", "time_published": "2026-01-29T00:00:00Z"}, {"url": "https://yyc.com/home.aspx", "title": "YYC - Calgary International Airport > Home", "time_published": "2026-01-01T00:00:00Z"}]}, "q17": {"question": "What aircraft are typically used on flights from Washington to Calgary?", "answer": "Nonstop flights from Washington Dulles to Calgary are typically operated with Boeing 737 MAX 8 aircraft on United Airlines. On connecting itineraries the most common long-leg types are Boeing 737-800s via Chicago O'Hare and Airbus A321-100s via Toronto, with a variety of regional jets and narrowbodies on the shorter feeder legs. The exact aircraft can vary by day and airline, and Wi‑Fi and seatback entertainment are widely available across these fleets.", "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 to Calgary?", "answer": "United Airlines, a Star Alliance member, flies nonstop from Washington Dulles to Calgary, while WestJet also operates nonstop service but belongs to no global airline alliance. Other alliances may serve the route via connections, though no additional carriers operate nonstop.", "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. Stop counts, connecting hubs, and per-airline prices are drawn from a large sample of the real fares Priceline users found on this route in the last 72 hours. We group those fares by number of stops, by the hub airport a connection routes through, and by operating airline, and report each group's share of the sample alongside its lowest and median price. 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", "route_options", "flight_schedule", "article_lookup"]}, "q20": {"question": "What are the best airport lounge options when departing from Washington?", "answer": "At Washington Dulles, you’ll find several airline-branded lounges in Concourses A and B. The Virgin Atlantic Clubhouse in Concourse A offers a stylish, full-service experience with à la carte dining and a cocktail bar, accessible to Upper Class passengers and Delta One flyers. Nearby, the Air France/KLM Lounge (also in Concourse A) provides a quieter space with showers and a self-serve buffet, open from 7:30 AM to 9:00 PM daily. In Concourse B, the Turkish Airlines Lounge is known for its excellent hot and cold food spread and a barista station, welcoming business-class travelers and Star Alliance Gold members. The Lufthansa Business and Senator Lounges in Concourse B are temporarily closed. For independent options, the Capital One Lounge on the Ticketing Level features local food, craft cocktails, and workspaces, accessible to Venture X and Spark Travel Elite cardholders from 5:30 AM to 9:00 PM. The Etihad Airways Lounge (also operating as the Chase Sapphire Lounge by The Club) in Concourse A grants access to Chase Sapphire Reserve cardholders and Etihad premium passengers.", "toolsUsed": [], "references": [{"url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/IAD", "title": "American Express Lounges at Washington Dulles International Airport | Amex US", "time_published": "2026-01-01T00:00:00Z"}, {"url": "https://prioritypass.com/en-GB/lounges/united-states-of-america/washington-dulles-international", "title": "Washington Dulles International Airport IAD Lounges - IAD Airport Guide and lounges.  | Priority Pass", "time_published": "2024-11-05T00:00:00Z"}, {"url": "https://americanexpress.com/en-th/travel/lounges/the-platinum-card/IAD", "title": "American Express Lounges at Washington Dulles International Airport | Amex TH", "time_published": "2026-01-01T00:00:00Z"}, {"url": "https://www.flydulles.com/travel-information/services-amenities/airport-lounges/capital-one-lounge-iad", "title": "Capital One Lounge - IAD | flydulles.com", "time_published": "2022-03-01T00:00:00Z"}, {"url": "https://my.prioritypass.com/zh-CN/lounges/united-states-of-america/washington-dulles-international/iad6-air-france-klm-lounge", "title": "Air France - KLM Lounge IAD AIRPORT A 大厅 杜勒斯国际机场 (Washington DC Dulles Intl) | Priority Pass", "time_published": "2024-11-05T00:00:00Z"}]}, "q21": {"question": "What is the baggage allowance on this route from Washington to Calgary?", "answer": "Baggage rules depend on the airline and fare class. Basic Economy may exclude a checked bag, while standard economy typically includes one checked bag and a carry‑on. Premium cabins offer higher allowances, often two checked bags."}, "q22": {"question": "What cabin and seat options are typical from Washington to Calgary?", "answer": "Flights from Washington Dulles to Calgary typically offer Economy and standard recliner Business or First class, with flat‑bed Business uncommon and Premium Economy rare."}, "q23": {"question": "Are same‑day changes or standby possible on this route?", "answer": "Policies differ by airline and fare; flexible and premium tickets typically allow same‑day changes or standby, while Basic Economy generally does not."}}}}