{"response": {"Key": "ATL-DEN", "orig": {"code": "ATL", "type": "airport", "city": "Atlanta", "fullCity": "Atlanta, Georgia", "airport": "Hartsfield Jackson Intl Airport"}, "dest": {"code": "DEN", "type": "airport", "city": "Denver", "fullCity": "Denver, Colorado", "airport": "Denver Intl Airport"}, "faq": {"q0": {"question": "What is the typical flight duration from Atlanta to Denver?", "answer": "The flight from Atlanta to Denver covers about 1,200 miles and typically takes 3 hours 16 minutes. The return leg is noticeably shorter at 2 hours 56 minutes, reflecting prevailing tailwinds heading east.", "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 Atlanta to Denver?", "answer": "Yes, four airlines fly nonstop from Atlanta to Denver: Delta, Southwest, United, and Frontier. Delta leads with 144 weekly flights, followed by Southwest at 89, Frontier at 31, and United at 25 — all operate daily. The route is about 1,200 miles and typical flight time is around 3 hours 15 minutes, with several red‑eye options available on Delta, Frontier, and Southwest.", "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. 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": ["route_airlines", "flight_schedule", "redeye_flights"]}, "q3": {"question": "What are the ground transportation options in Denver?", "answer": "Ground transportation at Denver International Airport includes the RTD A Line commuter train, which reaches Denver Union Station downtown in about 37 minutes and is the most-used option. Ride shares like Uber and Lyft, taxis, and rental cars are also readily available, with the train often being the fastest and most reliable way to the city center.", "toolsUsed": [], "references": [{"url": "https://www.flydenver.com/parking-and-transportation/to-and-from/airport-transit-center/", "title": "Airport Transit Center | Denver International Airport", "time_published": "2026-02-24T17:09:34Z"}, {"url": "https://flydenver.com/connections/", "title": "Connections | Denver International Airport", "favicon": "https://flydenver.com/apple-touch-icon.png", "time_published": "2023-09-14T15:33:21Z"}, {"url": "https://en.wikipedia.org/wiki/Automated_Guideway_Transit_System_(Denver_International_Airport)", "title": "Automated Guideway Transit System (Denver International Airport)", "time_published": "2026-06-01T08:54:40Z"}, {"url": "https://en.wikipedia.org/wiki/Denver%20International%20Airport", "title": "Denver International Airport", "time_published": "2026-04-30T15:08:23Z"}, {"url": "https://www.faa.gov/?action=searchForAirport&airportcode=PSR", "title": "Federal Aviation Administration", "favicon": "https://www.faa.gov/themes/custom/faa/favicon.png", "time_published": "2026-07-17T12:00:00Z"}]}, "q4": {"question": "When is the cheapest time to fly from Atlanta to Denver?", "answer": "The cheapest months to fly from Atlanta to Denver are August, September, and November, with average fares around $266 to $285. The most expensive months are December, June, and May, averaging $305 to $371.", "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 Atlanta to Denver?", "answer": "For flights from Atlanta to Denver, the best time to book is typically 4 to 6 weeks before departure, with average fares around $155. The absolute lowest price tends to appear about 25 days out, while last-minute bookings can jump above $300. During peak summer and holiday periods, demand pushes prices higher, so aiming for the earlier end of that window or even a bit further out is wise.", "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 Atlanta to Denver?", "answer": "Yes, overnight red‑eye flights are available nonstop from Atlanta to Denver. Delta offers up to 22 weekly red‑eyes departing between roughly 9:10 PM and 11:00 PM daily, Frontier runs one daily red‑eye around 9:21 PM, and Southwest operates a red‑eye around 10:45 PM on Mondays, Thursdays, and Fridays. With a flight time of roughly three hours, these departures land in Denver around midnight or in the early hours of the morning (same night or just past midnight), not the next morning.", "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 Atlanta to Denver?", "answer": "Delta, Southwest, Frontier, and United all fly nonstop from Atlanta to Denver. Delta leads with 144 weekly flights at a median fare around $457, while Southwest operates 89 weekly flights at roughly $321. Frontier runs 31 weekly flights with a median fare near $267, and United offers 25 weekly flights at about $504.", "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 Atlanta and Denver?", "answer": "Common layover cities for this domestic route include Dallas, Houston, Chicago, and Minneapolis. Each offers broad connections and efficient transfers, keeping total travel time competitive."}, "q9": {"question": "How reliable are on‑time departures on this route from Atlanta to Denver?", "answer": "On-time departure rates from Atlanta to Denver vary meaningfully by carrier: United leads at 86.4%, followed by Delta at 75.8%, Southwest at 70.3%, and Frontier at 61.3%. Cancellation rates are low across the board, with Frontier the highest at 1.1% and others at 0.4–0.5%.", "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"]}, "q10": {"question": "Which months have the best weather for traveling to Denver?", "answer": "May to June and September to October offer pleasant temperatures and avoid peak summer crowds."}, "q11": {"question": "What documents should I bring with me to the airport when flying from Atlanta to Denver?", "answer": "Bring a Real ID or passport; no visa or proof of onward travel is required for domestic U.S. flights, and have a payment method for bags and any needed vaccination certificates."}, "q12": {"question": "Which airport should I use in Denver?", "answer": "Denver International Airport is the only commercial airport in Denver. It is located about 25 miles northeast of downtown and serves as a major hub for United and Southwest."}, "q13": {"question": "How do I get to Hartsfield Jackson Intl Airport from the city center?", "answer": "The fastest and most popular option is the MARTA Red and Gold rail lines, which run directly from downtown stations to the airport terminal in about 20 minutes for a low fare. Shared-ride shuttle vans are available from the domestic terminal’s Ground Transportation Center for a flat per-person rate, while taxis and ride‑share services offer door‑to‑door convenience at a higher cost. Driving yourself is straightforward via I‑75/85 South, with both domestic and international parking garages on‑site, though parking fees add to the expense.", "toolsUsed": [], "references": [{"url": "https://atl.com/ground-transportation", "title": "Ground Transportation - The official website of Hartsfield-Jackson Atlanta International Airport", "favicon": "https://www.atl.com/wp-content/uploads/2023/08/cropped-HJ_plane_Red-1000-180x180.jpg", "time_published": "2025-08-22T21:08:34Z"}, {"url": "https://www.atl.com/maps-3/", "title": "Terminal Maps - The official website of Hartsfield-Jackson Atlanta International Airport", "favicon": "https://www.atl.com/wp-content/uploads/2023/08/cropped-HJ_plane_Red-1000-180x180.jpg", "time_published": "2022-01-25T20:26:21Z"}, {"url": "https://en.wikipedia.org/wiki/Airport%20station%20%28MARTA%29", "title": "Airport station (MARTA)", "time_published": "2026-03-29T17:37:22Z"}, {"url": "https://en.wikipedia.org/wiki/Airport_station_(MARTA)", "title": "Airport station (MARTA)", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-06-05T09:05:51Z"}, {"url": "https://www.fly.faa.gov/fly/flyfaa/flyfaaindex?ARPT=ATL&p=1", "title": "Hartsfield-Jackson Atlanta International Airport"}]}, "q15": {"question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Denver Intl Airport?", "answer": "Denver International Airport (DEN) provides free Wi‑Fi throughout the terminal and all concourses; just connect to one of the available DEN networks. While the airport’s amenities include lounges, dining, shopping, and an extensive art collection, specific information on currency exchange offices and prayer rooms or chapels is not detailed in the available data. You may want to check the airport’s official website or contact customer service for the latest on those services.", "toolsUsed": [], "references": [{"url": "https://www.flydenver.com/", "title": "Denver International Airport | DEN", "favicon": "https://www.flydenver.com/apple-touch-icon.png", "time_published": "2026-06-02T21:34:27Z"}, {"url": "https://flydenver.com/at-the-airport", "title": "Exciting Things to Do at Denver International Airport", "time_published": "2026-02-18T15:39:31Z"}, {"url": "https://en.wikipedia.org/wiki/Denver%20International%20Airport", "title": "Denver International Airport", "time_published": "2026-04-30T15:08:23Z"}, {"url": "https://en.wikipedia.org/wiki/Denver_Airport_station", "title": "Denver Airport station", "time_published": "2026-03-10T05:58:05Z"}, {"url": "https://sua.faa.gov/sua/siteFrame.app?lat=36.30&layers=BTTTTTTT&lon=-97.00&zoom=2.00", "title": "Special Use Airspace & Air Traffic Control Assigned Airspace - Graphic Map", "time_published": "2026-07-19T00:00:00Z"}]}, "q17": {"question": "What aircraft are typically used on flights from Atlanta to Denver?", "answer": "The most common aircraft on the nonstop Atlanta–Denver route are the Boeing 737 MAX 8 and Boeing 737-800, flown by Southwest and United, with Frontier also operating the route though its specific aircraft type isn't publicly listed. United also fields the Boeing 737 MAX 9 on some flights. The exact aircraft can vary by day and airline, but the 737 family dominates this corridor.", "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 Atlanta to Denver?", "answer": "Nonstop flights from Atlanta to Denver are operated by Delta (SkyTeam), United (Star Alliance), Southwest, and Frontier. Southwest and Frontier do not belong to any global 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. 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", "article_lookup"]}, "q20": {"question": "What are the best airport lounge options when departing from Atlanta?", "answer": "At Hartsfield-Jackson Atlanta International Airport, Delta Air Lines dominates with nine Sky Clubs spread across Concourses A, B, C, D, E, F, and T, with the flagship location at Gate D18 featuring over 500 seats, Southern-inspired cuisine, and private phone booths. The Centurion Lounge in Concourse E offers complimentary cocktails and chef-designed dishes to American Express Platinum and Centurion cardholders. The Club ATL in Concourse F is open to Priority Pass members and day-pass purchasers, providing a comfortable space with a full bar. Minute Suites in Concourses B, E, and F offer private sleep pods for a fee, ideal for a quick nap or focused work.", "toolsUsed": [], "references": [{"url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/ATL", "title": "American Express Lounges at Hartsfield–Jackson Atlanta International Airport | Amex US", "time_published": "2026-05-02T00:00:00Z"}, {"url": "https://www.delta.com/us/en/airports/united-states/atlanta-sky-club-airport-map", "title": "Hartsfield Atlanta (ATL) Airport Map & Lounges | Delta Air Lines", "time_published": "2023-01-01T00:00:00Z"}, {"url": "https://prioritypass.com/lounges/usa/atlanta-ga-international", "title": "Hartsfield–jackson Atlanta International Airport ATL Lounges - ATL Airport Guide and lounges. | Priority Pass", "favicon": "https://prioritypass.com/icon.png?a4ff481221414a5c", "time_published": "2024-11-05T16:20:09Z"}, {"url": "https://americanexpress.com/en-us/travel/lounges/delta-reserve/ATL", "title": "American Express Lounges at Hartsfield–Jackson Atlanta International Airport | Amex US", "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"}, {"url": "https://prioritypass.com/lounges/usa/atlanta-ga-international/atl11-minute-suites", "title": "Hartsfield–jackson Atlanta International Airport ATL Lounges - ATL Airport Guide and lounges.  | Priority Pass", "time_published": "2024-11-05T00:00:00Z"}]}, "q21": {"question": "What is the baggage allowance on this route from Atlanta to Denver?", "answer": "On Atlanta–Denver domestic flights, Basic Economy often excludes a carry‑on (except on Delta, which permits one), and checked bags are rarely included. Standard economy typically includes a carry‑on, but checked bags are usually paid."}, "q22": {"question": "What cabin and seat options are typical from Atlanta to Denver?", "answer": "Flights from Atlanta to Denver typically offer Economy and standard domestic First class with recliner seats; flat-bed Business class is not common on this route."}, "q23": {"question": "Are same‑day changes or standby possible on this route?", "answer": "Policies vary by airline and fare; flexible and premium tickets often allow same‑day changes or standby, while Basic Economy typically does not."}}}}