{"response": {"Key": "HOU-DEN", "orig": {"code": "HOU", "type": "airport", "city": "Houston", "fullCity": "Houston, Texas", "airport": "William P Hobby 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 Houston to Denver?", "answer": "The flight from Houston (HOU) to Denver is about 880 miles and typically takes 2 hours 30 minutes nonstop. The return leg is about 2 hours 25 minutes, so the outbound direction is slightly longer. Southwest and Frontier both serve the route, with Southwest offering frequent daily departures and Frontier flying three days a week.", "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 Houston to Denver?", "answer": "Yes, Southwest flies Houston Hobby to Denver non‑stop daily with up to 181 weekly departures, and Frontier also offers a direct flight on Mondays, Wednesdays, and Fridays. Southwest’s typical fare is around $148, while Frontier’s is about $60. Both carriers operate the route non‑stop, so you have a daily option plus a thrice‑weekly alternative.", "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 Denver?", "answer": "From Denver International Airport, the RTD A-Line train runs directly to Denver Union Station in about 37 minutes, making it the fastest and most-used option. Taxis, ride shares like Uber and Lyft, and rental cars are readily available on Level 5, though driving takes 30-45 minutes depending on traffic. Shared shuttle vans and regional buses also serve the airport, but the train is typically the most efficient choice.", "toolsUsed": ["article_lookup"], "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 Houston to Denver?", "answer": "The cheapest months to fly from Houston to Denver are August and October, with average fares around $212, and November at $213. December is the most expensive month, averaging $371, followed by June at $316. Late summer and fall offer the best deals, while winter holidays and early summer see the highest prices.", "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 Houston to Denver?", "answer": "For flights from Houston HOU to Denver, the best time to book is about 7 to 10 weeks before departure, when average fares are around $124. The absolute cheapest single-day snapshot is 65 days out at $112, while last-minute bookings can spike to over $300. During peak summer and holiday periods, demand often pushes that ideal window earlier — aiming for 10 to 12 weeks ahead can help avoid higher prices.", "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 Houston to Denver?", "answer": "Yes, overnight red-eye flights are available nonstop from Houston Hobby (HOU) to Denver (DEN). Southwest operates up to 25 red-eyes per week, departing daily between roughly 9:15 PM and 10:40 PM. These late flights are short enough that they land the same night, typically arriving around midnight or just before.", "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 Houston to Denver?", "answer": "Southwest Airlines operates the vast majority of nonstop flights from Houston Hobby to Denver, with about 181 weekly departures across daily schedules. Frontier also flies the route nonstop three times a week on Mondays, Wednesdays, and Fridays.", "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 Houston and Denver?", "answer": "Common layover cities for a Houston to Denver connection include Dallas/Fort Worth, Phoenix, and Las Vegas. These hubs offer frequent flights, efficient transfers, and keep total travel time competitive. Since this is a domestic US route, visa-free transit is irrelevant."}, "q9": {"question": "How reliable are on‑time departures on this route from Houston to Denver?", "answer": "On the Houston Hobby to Denver route, Frontier posts an 80% on-time arrival rate with zero cancellations, while Southwest arrives on time 74% of the time and cancels 0.6% of its flights. Frontier is the most reliable carrier on this route.", "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 fewer tourists than summer."}, "q11": {"question": "What documents should I bring with me to the airport when flying from Houston to Denver?", "answer": "For domestic U.S. flights, bring a Real ID or passport, ensure the name matches your ticket and carry payment for baggage and any required health documents."}, "q12": {"question": "Which airport should I use in Denver?", "answer": "Denver International Airport is the only major commercial airport for Denver, serving all airlines and located about 25 miles northeast of downtown."}, "q13": {"question": "How do I get to William P Hobby Airport from the city center?", "answer": "William P. Hobby Airport is about 7 miles from downtown Houston. The fastest and most popular option is typically a taxi or ride-share (Uber/Lyft), which takes roughly 15–25 minutes depending on traffic and is moderately priced. Public transit involves a bus and light rail connection and is the most affordable choice, though it takes significantly longer. Driving and parking at the airport is convenient with both terminal and economy lots, offering a mid-range cost for short trips.", "toolsUsed": ["article_lookup"], "references": [{"url": "https://fly2houston.com/hou/ground-transportation", "title": "HOU Ground Transportation | Airport Shuttle, Taxi, Uber, Lyft & Rent Car Houston"}, {"url": "https://fly2houston.com/hou", "title": "HOU Houston Airport | William P. Hobby", "time_published": "2026-06-09T05:00:00Z"}, {"url": "https://en.wikipedia.org/wiki/William_P._Hobby_Airport", "title": "William P. Hobby Airport", "time_published": "2026-07-06T09:58:05Z"}, {"url": "https://en.wikipedia.org/wiki/William%20P.%20Hobby%20Airport", "title": "William P. Hobby Airport", "time_published": "2026-04-21T04:20:29Z"}, {"url": "https://faa.gov/flight_deck/hef", "title": "Manassas Regional Airport/Harry P. Davis Field (HEF) | Federal Aviation Administration", "time_published": "2026-03-10T00:00:00Z"}]}, "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 concourses — just connect to one of the available DEN networks. Currency exchange counters are located in the Jeppesen Terminal, on the north end of Level 5, and in Concourse B near the center of the building. A non‑denominational chapel and a Muslim prayer room are both available on the northeast side of Level 6 in the Jeppesen Terminal, with additional interfaith reflection rooms in Concourses A (near Gate A38) and C (near Gate C46).", "toolsUsed": ["article_lookup"], "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 Houston to Denver?", "answer": "Nonstop flights from Houston Hobby to Denver are typically operated with Boeing 737 MAX 8s and Airbus A321-200 Neos, along with Boeing 737-900s and 757-300s; some flights show an unspecified type, so the exact aircraft can vary by day and airline. One-stop itineraries, mostly via Dallas Love Field on Southwest, commonly use Boeing 737-800s and 737 MAX 8s on the longer leg. Wi-Fi and seatback entertainment are widely available across these aircraft.", "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 Houston to Denver?", "answer": "Southwest and Frontier fly nonstop from Houston Hobby to Denver, and neither belongs to an airline alliance — Southwest is a major unaligned carrier and Frontier is a low-cost carrier with no alliance membership. Other alliances may serve the route via connections, but no alliance carrier operates it nonstop from HOU.", "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 Houston?", "answer": "William P. Hobby Airport (HOU) does not have any airline-branded lounges, but Priority Pass members can access an XpresSpa location near Gate 45 in the Central Concourse for a 25-minute massage or relaxation session. This spa counts as a lounge visit and is open daily from 6:00 AM to 9:00 PM. There are no other independent lounges at HOU.", "toolsUsed": ["article_lookup"], "references": [{"url": "https://fly2houston.com/hou/related-content/hou-tips-for-first-time-travelers", "title": "Navigating William P. Hobby Airport (HOU): Tips for First-Time Travelers", "time_published": "2026-01-23T00:00:00Z"}, {"url": "https://www.prioritypass.com/pt-PT/lounges/usa/houston-tx-william-p-hobby/hou2s-xpresspa", "title": "XWELL HOU AIRPORT Houston TX William P. Hobby | Priority Pass", "time_published": "2024-11-05T00:00:00Z"}, {"url": "https://en.wikipedia.org/wiki/William_P._Hobby_Airport", "title": "William P. Hobby Airport", "time_published": "2026-07-06T09:58:05Z"}, {"url": "https://prioritypass.com/en-GB/lounges/united-states-of-america/william-p-hobby", "title": "William P. Hobby Airport HOU Lounges - HOU Airport Guide and lounges.  | Priority Pass", "time_published": "2024-11-05T00:00:00Z"}, {"url": "https://fly2houston.com/hou", "title": "HOU Houston Airport | William P. Hobby", "time_published": "2026-06-09T05:00:00Z"}]}, "q21": {"question": "What is the baggage allowance on this route from Houston to Denver?", "answer": "On Houston–Denver domestic flights, Basic Economy fares often exclude a full‑size carry‑on and charge for checked bags. Standard economy typically includes a carry‑on and personal item, with checked bags available for a fee. First and business classes usually include two free checked bags."}, "q22": {"question": "What cabin and seat options are typical from Houston to Denver?", "answer": "On this domestic route, most flights offer Economy and some have extra‑legroom Economy Plus; flat‑bed Business or First class with standard recliner seats is available on a few flights, but Premium Economy is uncommon."}, "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."}}}}