{
  "response": {
    "Key": "CHI-IAH",
    "orig": {
      "code": "CHI",
      "type": "airport",
      "city": "Chicago",
      "fullCity": "Chicago, Illinois",
      "airport": "Dupage County"
    },
    "dest": {
      "code": "IAH",
      "type": "airport",
      "city": "Houston",
      "fullCity": "Houston, Texas",
      "airport": "George Bush Intercontinental Airport"
    },
    "faq": {
      "q1": {
        "question": "Are there any direct flights from Chicago to Houston?",
        "answer": "Yes, there are many nonstop flights from Chicago to Houston, with United and American offering the most service from O'Hare, while Frontier flies from both Midway and O'Hare. United operates up to 232 weekly flights daily, American offers around 125 daily flights including regional affiliates, and Frontier adds 15 weekly flights on select days. The flight takes about 2 hours and 50 minutes on average.",
        "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. 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",
          "flight_schedule",
          "redeye_flights",
          "route_aircraft"
        ]
      },
      "q3": {
        "question": "What are the ground transportation options in Houston?",
        "answer": "Ground transportation at George Bush Intercontinental Airport (IAH) includes taxis, ride-hailing apps like Uber and Lyft, rental cars, shuttles, limousines, and public transit. The 500 IAH Downtown Direct is a METRO bus that runs nonstop to downtown for $4.50, operating every 30 minutes from 5:30 a.m. to 8 p.m., making it the fastest and most affordable public transit option. Taxis and ride apps are staffed 24/7 at curbsides, while rental cars require a five-minute shuttle to the Rental Car Center. Ride-hailing and taxis are the most commonly used for convenience, but the Downtown Direct is the best bargain.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://fly2houston.com/iah/ground-transportation",
            "title": "Ground Transportation | Airport Taxi, Uber, Lyft, Shuttle & Rent Car Houston"
          },
          {
            "url": "https://fly2houston.com/iah/ground-transportation/shuttles-and-buses",
            "title": "IAH Airport Shuttle & Bus Service | Houston Ground Transportation",
            "time_published": "2026-05-02T07:23:56Z"
          },
          {
            "url": "https://fly2houston.com/iah/ground-transportation/metro-downtown-direct",
            "title": "Downtown Direct"
          },
          {
            "url": "https://www.fly2houston.com/",
            "title": "Houston Airport System",
            "time_published": "2026-04-02T20:31:01Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/George_Bush_Intercontinental_Airport",
            "title": "George Bush Intercontinental Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-08-28T04:59:46Z"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Chicago to Houston?",
        "answer": "Average fares from Chicago to Houston bottom out around $202 in late August, with September ($204), August ($208), and October ($210) the cheapest months overall. The most expensive stretch is late March, when average fares climb to about $285.",
        "methodology": "Seasonal fares come from Priceline's own air booking-summary archive, analysed in-house and refreshed monthly. For each day of the year we take a representative round-trip fare, a blend of the 25th-percentile and average ticket price over the route's bookings, and smooth the series into a seasonal curve; the half-month low and high and the monthly figures quoted here are averages of that curve. Thin and international routes borrow their seasonal shape from the nearest busy routes, with the price level anchored to the route's own bookings.",
        "toolsUsed": [
          "seasonal_prices"
        ]
      },
      "q5": {
        "question": "How far in advance should I book tickets from Chicago to Houston?",
        "answer": "For flights from Chicago to Houston, the best fares are typically found when booking 4 to 7 weeks in advance, with an average price around $148. Booking about 35 days ahead yields the lowest fares, while waiting until the last minute or booking more than six months out can push prices above $250. For summer and holiday periods, you should book even earlier—closer to 8 to 10 weeks out—to avoid peak pricing.",
        "methodology": "Booking-window guidance comes from the same monthly in-house analysis of Priceline's own air booking-summary archive. We aggregate the route's bookings by how many days before departure they were made, from about 180 days out to the day of travel, smooth the curve, and highlight the stretch of lead times with the lowest average fare. Thin and international routes borrow the curve shape from the nearest busy routes, anchored to the route's own price level. It reflects current fares and is refreshed monthly.",
        "toolsUsed": [
          "booking_timing"
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Chicago to Houston?",
        "answer": "Yes, United Airlines operates nonstop red‑eye flights from Chicago O'Hare (ORD) to Houston (IAH). The red‑eyes depart daily around 9:05–9:50 PM and, given the roughly 2.5‑hour flight, arrive in Houston the same night, typically before 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 Chicago to Houston?",
        "answer": "United and American fly nonstop from Chicago to Houston, with United operating up to 232 weekly flights from O'Hare and American up to 125 weekly flights, including regional service operated by Republic, Envoy, and PSA. Frontier also offers nonstop service from both Midway and O'Hare, though with far fewer weekly flights. United's median fare on the route is around $180, while American's median fare is around $160. Frontier's typical fare is roughly $140, making it the budget option on this route.",
        "methodology": "Airlines and weekly frequencies come 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 typical fare is shown for a carrier, it is the median of 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 Chicago and Houston?",
        "answer": "Common layover cities include Dallas, Denver, Atlanta and Charlotte. Dallas and Denver offer efficient connections with multiple daily flights, while Atlanta and Charlotte provide broad domestic networks."
      },
      "q9": {
        "question": "How reliable are on‑time arrivals on this route from Chicago to Houston?",
        "answer": "On the Chicago to Houston route, arrival reliability differs meaningfully by carrier: American Eagle (operated by Republic, marketed as American) is the most reliable at 79.1% on-time arrivals with a 2.2% cancellation rate, followed by United at 77.9% on-time with 0.5% cancellations, Envoy (marketed as American) at 77.4% with no cancellations, Frontier at 76.0% from O'Hare (2.4% cancellations) and 72.9% from Midway (no cancellations), and American mainline at 69.2% with 1.1% cancellations.",
        "methodology": "On-time arrival 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; a flight counts as on time when it arrives within 15 minutes of schedule. Carriers are ranked by arrival on-time rate on this route, and the carrier list itself comes 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).",
        "toolsUsed": [
          "flight_schedule"
        ]
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Houston?",
        "answer": "March to April and October to November offer mild temperatures and fewer visitors, avoiding the hot, humid summer and hurricane season."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Chicago to Houston?",
        "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 Houston?",
        "answer": "George Bush Intercontinental is Houston’s primary airport for most domestic and international flights. William P. Hobby Airport is closer to downtown and mainly serves Southwest Airlines with domestic routes."
      },
      "q13": {
        "question": "How do I get to Dupage County from the city center?",
        "answer": "From downtown Chicago, the CTA Blue Line 'L' runs directly into O'Hare, taking about 40 minutes and is the cheapest and most popular option. Taxis, limos, and ride-share services are also readily available and offer the fastest door-to-door trip, though at a higher cost. Regional shuttle buses and Pace suburban routes serve the airport from surrounding areas, and driving via the Kennedy Expressway is straightforward with on-site parking in a main garage or cheaper economy lots.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://flychicago.com/ohare/tofrom/publictransit/Pages/default.aspx",
            "title": "Public Transit | Chicago O’Hare International Airport (ORD)",
            "favicon": "https://flychicago.com/_catalogs/masterpage/favicon.ico"
          },
          {
            "url": "https://flychicago.com/ohare/tofrom/pages/default.aspx",
            "title": "Getting To and From O'Hare International Airport | Chicago O’Hare International Airport (ORD)",
            "favicon": "https://flychicago.com/_catalogs/masterpage/favicon.ico"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Transportation_in_Chicago",
            "title": "Transportation in Chicago",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-01T15:50:47Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/O%27Hare_International_Airport",
            "title": "O'Hare International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-11T09:41:03Z"
          },
          {
            "url": "https://www.flychicago.com/ohare/home/pages/default.aspx",
            "title": "O’Hare International Airport",
            "favicon": "https://www.flychicago.com/_catalogs/masterpage/favicon.ico"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Houston airport?",
        "answer": "Houston's George Bush Intercontinental Airport has a hotel inside the secure area: Minute Suites, located in Terminal C near Gate C14, offers private suites with daybeds and showers. The Houston Airport Marriott at George Bush Intercontinental is accessible from all terminals via the free underground tram service. Several other hotels nearby, including Hampton Inn & Suites and SpringHill Suites, offer free shuttle service.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://hilton.com/en/locations/usa/texas/houston/iah-george-bush-intercontinental-airport/extended-stay/homewood-suites",
            "title": "Homewood Suites Extended Stay Hotels near George Bush Intercontinental Airport, Houston, TX - Find Hotels - Hilton",
            "favicon": "https://www.hilton.com/modules/assets/img/brand/HW/favicon_HW.svg"
          },
          {
            "url": "https://sleepinginairports.net/guides/houston-airport-guide.htm",
            "title": "Houston Airport Guide (IAH) - 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": "2018-08-25T14:40:18Z"
          }
        ]
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at George Bush Intercontinental Airport?",
        "answer": "George Bush Intercontinental Airport (IAH) offers currency exchange services in Terminals B, C, D, and E. A prayer room is located in Terminal D near Gate D15, and free Wi-Fi is available in every terminal, including the parking garages.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://fly2houston.com/iah/hotels/",
            "title": "IAH Houston Airport | George Bush Intercontinental",
            "time_published": "2026-08-04T15:12:56Z"
          },
          {
            "url": "https://fly2houston.com/iah/visitor-information/services/",
            "title": "Services"
          },
          {
            "url": "https://fly2houston.com/iah/visitor-information/traveling-with-kids",
            "title": "Traveling with Kids"
          },
          {
            "url": "https://www.fly2houston.com/",
            "title": "Houston Airport System",
            "time_published": "2026-04-02T20:31:01Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/George_Bush_Intercontinental_Airport",
            "title": "George Bush Intercontinental Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-08-28T04:59:46Z"
          }
        ]
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Chicago and Houston airports?",
        "answer": "George Bush Intercontinental Airport (IAH) in Houston offers wheelchair assistance through your airline, accessible parking on all terminal garage levels and Ecopark facilities, accessible restrooms, TSA Cares assisted security screening, a sensory room, mothers' rooms, and a Sunflower Lanyard program for travelers with hidden disabilities. Aira services for blind and low vision passengers and American Sign Language interpretation are also available, and travelers should contact their airline at least 48 hours before the flight to arrange mobility assistance. At Chicago O'Hare International Airport, wheelchair assistance and other special services are provided by your airline and can be requested in advance through them.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/DuPage_Airport",
            "title": "DuPage Airport",
            "time_published": "2026-07-16T20:45:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/York_Township,_DuPage_County,_Illinois",
            "title": "York Township, DuPage County, Illinois",
            "time_published": "2026-03-30T14:23:39Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/DuPage_County,_Illinois",
            "title": "DuPage County, Illinois",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-01T17:35:34Z"
          },
          {
            "url": "https://fly2houston.com/iah/accessibility",
            "title": "IAH Accessibility Services | ADA Accessible Travel at Houston Airport"
          },
          {
            "url": "https://fly2houston.com/iah/related-content/accessibility-services-at-george-bush-intercontinental-airport",
            "title": "Accessibility Services at George Bush Intercontinental Airport Your Complete Guide to Accessible Travel at IAH"
          },
          {
            "url": "https://fly2houston.com/iah/accessibility/accessible-security-screening",
            "title": "IAH Accessible Security Screening | Assisted TSA Screening at George Bush Intercontinental Airport"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Bush_Intercontinental_Airport",
            "title": "George Bush Intercontinental Airport - Wikipedia",
            "time_published": "2026-03-12T23:18:47Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Chicago to Houston?",
        "answer": "United flies the most on this route, using Boeing 757-300, Airbus A321neo, Boeing 737-900, Boeing 737 MAX 9, and Airbus A320 family aircraft. American also serves the route with Airbus A319, Airbus A320 family, Embraer E175, Embraer E170, and Bombardier CRJ-900 aircraft. Frontier flies Airbus A320neo and Airbus A320 family planes from both Midway and O'Hare.",
        "methodology": "Aircraft types come 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). For U.S. routes the type is grounded in the tail number that actually operated the flight; elsewhere it comes from the airline's filed equipment code. Where the source does not commit to a specific variant we name the aircraft family (for example Airbus A320 family) rather than guess, and where no reliable type is on file the aircraft is omitted rather than estimated. Types describe typical scheduled equipment and can vary with seasonal or day-of-week assignments and last-minute swaps.",
        "toolsUsed": [
          "flight_schedule"
        ]
      },
      "q18": {
        "question": "Which airline alliances serve flights from Chicago to Houston?",
        "answer": "Star Alliance (via United) and Oneworld (via American Airlines) serve the Chicago to Houston route nonstop, while Frontier also flies it but belongs to no 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"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Chicago?",
        "answer": "Travelers departing from Chicago O'Hare can choose from a wide range of lounges, including United Clubs in Terminals 1 and 2, a United Polaris Lounge for international first and business class passengers, and American Airlines Admirals Clubs in Terminal 3 with complimentary food, drinks, and Wi-Fi. Terminal 5 offers an Air France Lounge, a LOT Business Lounge, a Wingtips Lounge, and a Swissport Lounge, with the latter two available to Priority Pass members. Delta operates a Sky Club in Terminal 5 near Gate M13, and most airline lounges allow day-pass purchases for travelers without club membership.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://flychicago.com/ohare/ServicesAmenities/services/Pages/lounges.aspx",
            "title": "Airline Lounges | Chicago O’Hare International Airport  (ORD)",
            "favicon": "https://flychicago.com/_catalogs/masterpage/favicon.ico"
          },
          {
            "url": "https://prioritypass.com/en-GB/lounges/united-states-of-america/ohare-international",
            "title": "O'hare International Airport ORD Lounges - ORD Airport Guide and lounges. | Priority Pass",
            "favicon": "https://prioritypass.com/icon.png?icon.1k7202wk2zqql.png?dpl=1f82db4e-b1f8-481b-b911-c24ef915cc46",
            "time_published": "2026-08-18T11:40:12Z"
          },
          {
            "url": "https://www.delta.com/us/en/airports/united-states/chicago-sky-club-airport-map",
            "title": "Chicago O'Hare (ORD) Airport Map & Lounges | Delta Air Lines",
            "favicon": "https://www.delta.com/content/dam/delta-applications/dlhome/favicon.ico"
          },
          {
            "url": "https://www.prioritypass.com/en-GB/lounges/united-states-of-america/ohare-international/ord10-swissport-lounge",
            "title": "Swissport Lounge ORD AIRPORT Terminal 5 Chicago IL O Hare Intl | Priority Pass",
            "favicon": "https://www.prioritypass.com/icon.png?a4ff481221414a5c"
          },
          {
            "url": "https://aa.com/i18n/travelInformation/airportAmenities/ord-club.jsp",
            "title": "Chicago, IL (ORD)",
            "favicon": "https://aa.com/content/images/chrome/rebrand/favicon.png"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Chicago to Houston?",
        "answer": "On domestic flights from Chicago to Houston, basic economy fares often restrict carry‑ons to a small personal item and charge for checked bags, while standard economy typically allows a carry‑on and personal item with checked bags available for a fee. Checked bag allowances vary by airline and fare class, so confirm with your carrier."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Chicago to Houston?",
        "answer": "On this domestic route, typical cabins are Economy and standard recliner Business class; Premium Economy and flat‑bed Business are not common."
      },
      "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."
      }
    }
  }
}