{
  "response": {
    "Key": "IAH-CHI",
    "orig": {
      "code": "IAH",
      "type": "airport",
      "city": "Houston",
      "fullCity": "Houston, Texas",
      "airport": "George Bush Intercontinental Airport"
    },
    "dest": {
      "code": "CHI",
      "type": "airport",
      "city": "Chicago",
      "fullCity": "Chicago, Illinois",
      "airport": "Dupage County"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Houston to Chicago?",
        "answer": "The flight from Houston to Chicago covers about 920 miles. Typically, the nonstop flight takes 2 hours and 50 minutes, while the return leg is slightly longer at 2 hours and 54 minutes.",
        "methodology": "Flight times and distances 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). The typical flight time is the median scheduled block time across all carriers on the route, computed the same way in both directions so the difference reflects prevailing winds rather than any change in method. Distance is the great-circle distance between the two airports, so the actual flown track is typically 2-5% longer.",
        "toolsUsed": [
          "flight_schedule"
        ]
      },
      "q1": {
        "question": "Are there any direct flights from Houston to Chicago?",
        "answer": "Yes, there are plenty of nonstop flights from Houston (IAH) to Chicago. United and American fly to O'Hare (ORD) daily, with United operating about 156 weekly flights and American around 134, while Frontier offers nonstops to both O'Hare and Midway (MDW) on Mondays, Thursdays, Fridays, and Sundays. All three carriers run multiple departures throughout the day, so you have frequent daily options.",
        "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"
        ]
      },
      "q3": {
        "question": "What are the ground transportation options in Chicago?",
        "answer": "At Chicago O'Hare, the CTA Blue Line train is the most-used and fastest way downtown, running 24/7 from the terminal and taking about 40–45 minutes for $2.50. Taxis, limos, and rideshares like Uber and Lyft offer door-to-door convenience, with a typical fare of $40–55 and a 30–60 minute trip depending on traffic. Rental cars are available from major companies at the Multi-Modal Facility. Airport shuttles and regional buses also serve the city and suburbs, though they are slower than the train. For most visitors, the Blue Line is the best blend of speed, cost, and reliability.",
        "toolsUsed": [],
        "references": [
          {
            "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://www.flychicago.com/ohare/map",
            "title": "Map | Chicago O’Hare International Airport (ORD)",
            "time_published": "2026-05-27T00:00:00Z"
          },
          {
            "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": "2026-05-15T02:56:07Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Transportation%20in%20Chicago",
            "title": "Transportation in Chicago",
            "time_published": "2026-04-13T06:59:09Z"
          },
          {
            "url": "https://faa.gov/regulations_policies/orders_notices/index.cfm/go/document.information/documentID/6111",
            "title": "Order  3330.39 - Chicago/o'hare Airport Traffic Control Tower (ATCT) Staffing PChicago/o'hare Airport Traffic Control Tower (ATCT) Staffing Plan (Cancelled)",
            "time_published": "2026-04-10T00:00:00Z"
          }
        ],
        "methodology": "Airport details are drawn from the sources listed with this answer, primarily the airport operator's official website along with airline, lounge-operator and transit-authority pages, collected by our research process and refreshed periodically. Only information found in those sources is used; where a source does not cover a topic it is left out rather than guessed."
      },
      "q4": {
        "question": "When is the cheapest time to fly from Houston to Chicago?",
        "answer": "Average fares from Houston to Chicago bottom out around $206 in early February. The cheapest months overall are February ($207), October ($214), and September ($217), while the most expensive period is late June, when average fares climb to about $276.",
        "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 Houston to Chicago?",
        "answer": "For flights from Houston to Chicago, the optimal booking window is 4 to 6 weeks before departure, with an average fare around $152 and the single cheapest day being 30 days out at $150. Booking much earlier (e.g. 6 months ahead) or last-minute (within a week) pushes fares up to $288 or $272 respectively. Summer and holiday periods tend to compress this window, so aim a bit closer to the 6-week mark and avoid booking too far in advance for those dates.",
        "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 Houston to Chicago?",
        "answer": "Yes, red-eye flights are available nonstop from Houston (IAH) to Chicago. United operates daily red-eyes to O'Hare departing around 9:30–9:34 PM, and Frontier flies one on Monday, Thursday, Friday, and Sunday departing around 9:54 PM. These late-evening departures arrive the same night, typically landing just 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 Houston to Chicago?",
        "answer": "United and American fly nonstop from Houston (IAH) to Chicago (ORD), with Frontier also offering nonstop service to both O'Hare and Midway. United operates the most flights at 156 per week, while American's mainline and regional affiliates together add up to 134 weekly departures. Frontier flies a smaller schedule with 13 weekly flights to ORD and 9 to MDW, primarily on Mondays, Thursdays, Fridays, and Sundays. Median fares for this route are not provided in the current data.",
        "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 Houston and Chicago?",
        "answer": "Common layover cities for connections between Houston and Chicago include Dallas/Fort Worth and Atlanta, which offer broad domestic connections and efficient transfer processes, keeping total travel time competitive."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Houston to Chicago?",
        "answer": "On the Houston to Chicago route, United (UA) stands out with 82.5% of departures on time and a 0.6% cancellation rate. Frontier (F9) is notably less reliable, with only 62–70% of flights departing on time and cancellations reaching 3.3% on some segments. American (AA) and its regional partners (YX, MQ) fall in between, with on-time departure rates around 74–79% and cancellations from 0% to 3.3%.",
        "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 Chicago?",
        "answer": "May to June and September to early October offer pleasant temperatures and fewer tourists than the peak summer months."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Houston to Chicago?",
        "answer": "Bring a REAL ID-compliant driver's license or passport, a payment method for bag fees, and check if any vaccination proof is needed for Chicago entry."
      },
      "q12": {
        "question": "Which airport should I use in Chicago?",
        "answer": "O'Hare is the primary international hub with extensive domestic and global connections, located about 17 miles from downtown. Midway is closer to the city centre and mainly serves domestic low‑cost carriers and Southwest Airlines."
      },
      "q13": {
        "question": "How do I get to George Bush Intercontinental Airport from the city center?",
        "answer": "From downtown Houston, you can reach George Bush Intercontinental Airport (IAH) via the METRO 102 Bush IAH Express bus, which offers a direct public transit link. Taxis, ride‑share services like Uber and Lyft, and pre‑arranged limousines or sedans provide door‑to‑terminal convenience, while driving yourself and parking on‑site is straightforward with various lots available. The most popular and fastest option is typically a ride‑share or taxi, taking about 30–45 minutes depending on traffic, with public transit being the most economical choice.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://fly2houston.com/iah",
            "title": "IAH Houston Airport | George Bush Intercontinental",
            "time_published": "2026-06-23T05:00:00Z"
          },
          {
            "url": "https://fly2houston.com/iah/ground-transportation/",
            "title": "Ground Transportation | Airport Taxi, Uber, Lyft, Shuttle & Rent Car Houston",
            "time_published": "2026-01-23T19:44:20Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/George%20Bush%20Intercontinental%20Airport",
            "title": "George Bush Intercontinental Airport",
            "time_published": "2026-05-01T12:20:43Z"
          },
          {
            "url": "https://en.wikipedia.org/?diff=597698305",
            "title": "George Bush Intercontinental Airport: Difference between revisions - Wikipedia",
            "time_published": "2014-03-01T18:21:06Z"
          },
          {
            "url": "https://faa.gov/regulations_policies/orders_notices/index.cfm/go/document.information/documentID/1023367",
            "title": "Notice JO 7110.659 - Non-Intersecting Converging Runway Operations for George Bush Intercontinental/Houston Airport Traffic Control Tower and Houston Intercontinental Terminal Radar Approach Control (",
            "time_published": "2026-04-10T00:00:00Z"
          }
        ],
        "methodology": "Airport details are drawn from the sources listed with this answer, primarily the airport operator's official website along with airline, lounge-operator and transit-authority pages, collected by our research process and refreshed periodically. Only information found in those sources is used; where a source does not cover a topic it is left out rather than guessed."
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Chicago airport?",
        "answer": "Chicago O'Hare International Airport does not have on-site hotels, capsule hotels, or sleeping pods inside the terminals, but several nearby hotels like the SpringHill Suites and Chicago Marriott Suites O'Hare offer complimentary shuttle service from the airport. The shuttle pickup for SpringHill Suites is at Terminal 2 arrivals/lower level, door 2C. For those staying inside the airport, sleeping is possible but challenging, with the best rest spots being couches in Concourse K, lounge chairs in Terminal 3 Gates H, or circular sofas in Terminal 5, though most seating has armrests and temperatures can drop at night.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://sleepinginairports.net/guides/chicago-ohare-airport-guide.htm",
            "title": "Chicago O'Hare Airport Guide (ORD) - 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": "2018-08-08T19:18:20Z"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/chico-springhill-suites-chicago-ohare/overview/?scid=f2ae0541-1279-4f24-b197-a979c79310b0",
            "title": "Hotel near O'Hare Airport with Free Shuttle | Springhill Suites",
            "time_published": "2025-02-19T00:00:00Z"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/chico-springhill-suites-chicago-ohare/overview/",
            "title": "Hotel near O'Hare Airport with Free Shuttle | Springhill Suites Chicago O'Hare",
            "time_published": "2023-08-11T00:00:00Z"
          },
          {
            "url": "https://www.sleepinginairports.net/sleep-guide/sleeping-in-chicago-ohare-airport.htm",
            "title": "Sleeping in Chicago O’Hare Airport",
            "time_published": "2024-09-12T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/O%27Hare%20International%20Airport",
            "title": "O'Hare International Airport",
            "time_published": "2026-04-30T12:30:58Z"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/chist-chicago-marriott-suites-ohare/overview/?scid=f2ae0541-1279-4f24-b197-a979c79310b0",
            "title": "Hotels Near O'Hare Airport in Chicago | Chicago Marriott Suites O'Hare Hotel",
            "time_published": "2023-08-11T00:00:00Z"
          }
        ],
        "methodology": "Airport details are drawn from the sources listed with this answer, primarily the airport operator's official website along with airline, lounge-operator and transit-authority pages, collected by our research process and refreshed periodically. Only information found in those sources is used; where a source does not cover a topic it is left out rather than guessed."
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Dupage County?",
        "answer": "You asked about DuPage County Airport, but flights from Houston to Chicago actually land at O'Hare International Airport (ORD). O'Hare does offer currency exchange at ATMs and banks throughout the terminals, and there is a chapel available for prayer. Free Wi‑Fi is also provided airport‑wide, with charging stations in all terminals.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://flychicago.com/ohare/ServicesAmenities/services/pages/default.aspx",
            "title": "Services  | Chicago O’Hare International Airport  (ORD)",
            "time_published": "2026-05-05T00:00:00Z"
          },
          {
            "url": "https://www.flychicago.com/ohare/map",
            "title": "Map | Chicago O’Hare International Airport (ORD)",
            "time_published": "2026-05-27T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/O%27_Hare_International_Airport",
            "title": "O'Hare International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2003-06-18T03:43:42Z"
          },
          {
            "url": "https://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/air_traffic_services/atct/ord",
            "title": "Chicago O'Hare International Airport (ORD) | Federal Aviation Administration",
            "time_published": "2023-02-23T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/w/index.php?oldid=828932762&redirect=no&title=O%27Hare_International_Airport",
            "title": "O'Hare International Airport - Wikipedia",
            "time_published": "2003-06-18T03:43:42Z"
          }
        ],
        "methodology": "Airport details are drawn from the sources listed with this answer, primarily the airport operator's official website along with airline, lounge-operator and transit-authority pages, collected by our research process and refreshed periodically. Only information found in those sources is used; where a source does not cover a topic it is left out rather than guessed."
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Houston to Chicago?",
        "answer": "On nonstop flights from Houston to Chicago, the most common aircraft are the Boeing 737 family — including the 737-800, 737-900, and 737 MAX 8/9 — alongside the Airbus A319 and A321neo. United, American, Southwest, and Frontier all operate the route, and the exact aircraft type varies by day and airline. Wi-Fi and seatback entertainment are widely available across these carriers, though specific offerings differ by plane and cabin.",
        "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 Chicago?",
        "answer": "United (Star Alliance) and American (Oneworld) operate nonstop flights from Houston IAH to Chicago. Frontier also flies the route nonstop 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 Houston?",
        "answer": "At George Bush Intercontinental Airport (IAH) in Houston, confident lounge options include the United Club in Terminal C, the American Express Centurion Lounge, Air France Lounge, and KLM Crown Lounge in Terminal D, plus Minute Suites in Terminal C. The United Club is accessible with a United Club membership, premium cabin tickets, or Star Alliance Gold status, and offers complimentary drinks and snacks. The Centurion Lounge is available to American Express Platinum and Centurion cardholders, with chef-designed meals and a bar. The Air France and KLM lounges serve eligible business-class passengers and SkyTeam Elite Plus members, featuring showers and buffet dining. Minute Suites provide private rooms with daybeds and workspaces, available for rent by the hour.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://fly2houston.com/iah",
            "title": "IAH Houston Airport | George Bush Intercontinental",
            "time_published": "2026-06-23T05:00:00Z"
          },
          {
            "url": "https://americanexpress.com/en-xb/travel/lounges/the-platinum-card/IAH",
            "title": "American Express Lounges at George Bush Intercontinental Airport | Amex XB",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://americanexpress.com/en-us/travel/lounges/delta-reserve/IAH",
            "title": "American Express Lounges at George Bush Intercontinental Airport | Amex US",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://my.prioritypass.com/en-GB/lounges/united-states-of-america/george-bush-intercontinental/iah7-air-france-lounge",
            "title": "Air France Lounge IAH AIRPORT Terminal D George Bush Intercontinental | Priority Pass",
            "time_published": "2024-11-05T00:00:00Z"
          },
          {
            "url": "https://prioritypass.com/lounges/usa/houston-tx-george-bush-intercontinental/iahm-united-club",
            "title": "George Bush Intercontinental Airport - Houston IAH Lounges - IAH Airport Guide and lounges.  | Priority Pass",
            "time_published": "2024-11-05T00:00:00Z"
          }
        ],
        "methodology": "Airport details are drawn from the sources listed with this answer, primarily the airport operator's official website along with airline, lounge-operator and transit-authority pages, collected by our research process and refreshed periodically. Only information found in those sources is used; where a source does not cover a topic it is left out rather than guessed."
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Houston to Chicago?",
        "answer": "Baggage policies for Houston–Chicago flights vary by airline and fare class. Basic Economy tickets often restrict carry‑ons to a personal item and charge for checked bags, while standard economy typically includes a carry‑on but not a checked bag. Check your specific airline for exact allowances."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Houston to Chicago?",
        "answer": "On flights from Houston to Chicago, you can expect Economy and sometimes Premium Economy, but flat-bed Business is uncommon on this short domestic route."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies vary; flexible and premium tickets often allow same‑day changes or standby, while Basic Economy typically does not."
      }
    }
  }
}