{
  "response": {
    "Key": "CHI-SEA",
    "orig": {
      "code": "CHI",
      "type": "airport",
      "city": "Chicago",
      "fullCity": "Chicago, Illinois",
      "airport": "Dupage County"
    },
    "dest": {
      "code": "SEA",
      "type": "airport",
      "city": "Seattle",
      "fullCity": "Seattle, Washington",
      "airport": "Seattle-Tacoma Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Chicago to Seattle?",
        "answer": "The flight from Chicago to Seattle is about 1,730 miles and typically takes 4 hours 35 minutes. The return leg to Chicago is shorter at 4 hours 7 minutes, a difference of 28 minutes due to prevailing winds.",
        "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 Chicago to Seattle?",
        "answer": "Yes, there are plenty of non‑stop flights from Chicago to Seattle. Five airlines — American, Alaska, Delta, United, and Southwest — operate daily non‑stop service, with over 400 weekly departures between O'Hare (ORD) and Midway (MDW). Flights take about 4½ hours westbound, and red‑eyes are also available on American, United, 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. 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 Seattle?",
        "answer": "Seattle-Tacoma International Airport offers a wide range of ground transportation to the city center: Link light rail and public buses, taxis, app-based rideshare (Lyft, Uber, Wingz), rental cars, door-to-door shuttles, and limos. The Link light rail is the fastest and most-used option for reaching downtown Seattle, running frequently and avoiding highway traffic. Taxis and rideshare provide door-to-door convenience at a higher cost, while the Premier Airport Shuttle covers the greater Puget Sound area including Seattle. Rental cars are available for those planning to explore beyond the city. For real-time help, the FlySEA app lists all ground transportation options and can guide you to the right pickup area.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.portseattle.org/flySEAapp",
            "title": "FlySEA App | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          },
          {
            "url": "https://www.portseattle.org/sea/ground-transportation/doortodoor",
            "title": "Door to Door Shuttle | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          },
          {
            "url": "https://www.portseattle.org/places/sea-tac-airport",
            "title": "Seattle-Tacoma International Airport (SEA) | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          },
          {
            "url": "https://www.portseattle.org/sea",
            "title": "Seattle-Tacoma International Airport | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico",
            "time_published": "2026-09-10T00:00:00Z"
          },
          {
            "url": "https://www.portseattle.org/sea-tac",
            "title": "Seattle-Tacoma International Airport | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Chicago to Seattle?",
        "answer": "Average fares from Chicago to Seattle bottom out around $245 in late January, with January ($255), February ($260), and October ($271) the cheapest months overall. Prices climb steepest in early July, averaging $376, with July ($371) and June ($359) the most expensive months. Late fall and winter are generally the most affordable times to fly this route.",
        "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 Seattle?",
        "answer": "For Chicago to Seattle flights, book about 4 to 7 weeks before departure to lock in the best fares, which average around $219. The lowest price appears at roughly 35 days out, while waiting until the last minute can cost over $300.",
        "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 Seattle?",
        "answer": "Yes, overnight red‑eye flights are available from Chicago to Seattle. American Airlines, United Airlines, and Southwest all operate nonstop red‑eyes, with departures typically between 9:05 PM and 10:25 PM. These flights land in Seattle between roughly 11:30 PM and 1:00 AM — the earlier departures arrive the same night, while the later ones touch down in the early hours just after 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 Seattle?",
        "answer": "American, Alaska, United, Southwest, and Delta all operate nonstop flights from Chicago to Seattle. American is the most frequent with 153 weekly flights, followed by Alaska at 98, United at 63, Southwest (out of Midway) at 56, and Delta at 37. Typical median fares are not provided in the schedule data for these carriers.",
        "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 Seattle?",
        "answer": "Common layover cities include Denver, Minneapolis, Salt Lake City and Portland. Denver and Minneapolis are large hubs with plentiful connections and efficient terminals. Salt Lake City offers a compact, easy‑to‑navigate layout. Portland keeps you close to Seattle, minimizing total travel time."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Chicago to Seattle?",
        "answer": "On the Chicago to Seattle route, United and Delta lead in departure punctuality at about 80%, while Southwest lags at 69%. Cancellation rates are low overall, but American sees a slightly higher 1.4% versus 0.2–1.0% for others.",
        "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 Seattle?",
        "answer": "July and August deliver reliably dry, sunny days, while September offers pleasant weather with fewer tourists."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Chicago to Seattle?",
        "answer": "Bring a Real ID or passport, ensure the name matches your ticket, carry a payment method for baggage and any required health documents."
      },
      "q12": {
        "question": "Which airport should I use in Seattle?",
        "answer": "Seattle-Tacoma International Airport is the only major commercial airport serving Seattle, located about 14 miles south of downtown."
      },
      "q13": {
        "question": "How do I get to Dupage County from the city center?",
        "answer": "From downtown Chicago, the fastest and most popular way to reach O'Hare is the CTA Blue Line, which runs 24 hours and takes about 40 minutes from the Loop for a low fare. Taxis, limos, and ride-share services are also readily available and offer door-to-door convenience at a higher cost, while driving yourself is possible via the Kennedy Expressway with parking options ranging from hourly garages to cheaper economy lots. Metra's North Central Service and Pace suburban buses provide additional public transit connections, though they are less direct for most city-center travelers.",
        "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 Seattle airport?",
        "answer": "Seattle-Tacoma International Airport has no directly connected hotel; there are no transit hotels or airside accommodations, so overnight guests must exit the secure area. Several nearby hotels offer free shuttles, including the Hilton Seattle Airport & Conference Center, which is accessible via skybridge, and the Skybridge Seattle Airport Hotel, Radisson Hotel Seattle Airport, Spark by Hilton, and Coast Gateway Hotel.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.sleepinginairports.net/guides/seattle-airport-guide.htm",
            "title": "Seattle Airport Guide (SEA) - 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": "2018-08-08T19:18:01Z"
          },
          {
            "url": "https://ihg.com/holidayinnexpress/hotels/tw/zh/seatac/seaib/hoteldetail",
            "title": "Seattle Airport Hotel | Holiday Inn Express & Suites Seattle-Sea-Tac Airport",
            "favicon": "https://digital.ihg.com/is/image/ihg/app-web-chiclet-holidayinnexpress?fmt=png-alpha"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/seata-fairfield-inn-and-suites-seattle-sea-tac-airport/overview/",
            "title": "Fairfield Inn & Suites Seattle Sea-Tac Airport - Free Shuttle Service",
            "time_published": "2025-02-19T00:00:00Z"
          },
          {
            "url": "https://ihg.com/seattle-washington/hotels-near-seattle-tacoma-international",
            "title": "25 Hotels Near SEA Seattle-Tacoma International (SEA) Airport | IHG",
            "favicon": "https://digital.ihg.com/is/image/ihg/app-web-chiclet-ihg?fmt=png-alpha"
          }
        ]
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Seattle-Tacoma Intl Airport?",
        "answer": "Seattle-Tacoma International Airport offers free Wi-Fi throughout the terminal, including in its lounges. There are two Interfaith Prayer and Meditation Rooms, welcoming people of all faiths, located in the A and C Concourses. Currency exchange offices are not mentioned in the available airport amenity information.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.portseattle.org/services-amenities/airport-lounges",
            "title": "Lounges at SEA | Port of Seattle",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://www.portseattle.org/places/sea-tac-airport",
            "title": "Seattle-Tacoma International Airport (SEA) | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          },
          {
            "url": "https://www.portseattle.org/page/traveler-updates-and-tips",
            "title": "Travel Tips for SEA Airport | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          },
          {
            "url": "https://www.portseattle.org/sea-tac",
            "title": "Seattle-Tacoma International Airport | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          },
          {
            "url": "https://www.portseattle.org/page/printable-airport-directories",
            "title": "Printable Airport Directories | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          }
        ]
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Chicago and Seattle airports?",
        "answer": "Seattle-Tacoma International Airport offers extensive accessibility support including wheelchair services, sensory rooms, ASL interpretation, a Sunflower Lanyard program, and a dedicated SEA Access initiative, with assistance arranged through your airline — ideally 72 hours in advance for TSA Cares or directly with the carrier for wheelchair help. Chicago's metro area is served by multiple airports like O'Hare and Midway, and while DuPage Airport (a general aviation reliever) does not list specific accessibility programs or children's play areas in its public information, the major Chicago airports generally provide comparable mobility assistance and family facilities; you should contact your airline at least 48 hours before departure to request wheelchair or other services at the origin airport.",
        "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://www.portseattle.org/SEAaccess",
            "title": "Accessibility at SEA Airport | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          },
          {
            "url": "https://www.portseattle.org/page/accessibility-faqs",
            "title": "Accessibility FAQS | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          },
          {
            "url": "https://www.portseattle.org/page/sea-airport-customer-care-how-get-help-airport",
            "title": "SEA Airport Customer Care: How to Get Help at the Airport | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          },
          {
            "url": "https://www.portseattle.org/SEA26",
            "title": "Let’s Play SEA26 at SEA Airport | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          },
          {
            "url": "https://www.portseattle.org/page/sea-visitor-pass-program",
            "title": "SEA Visitor Pass Program | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Chicago to Seattle?",
        "answer": "American Airlines operates the most flights on this route, using Airbus A321, Airbus A320 family, Boeing 737-800, Boeing 737 family, and Boeing 737 MAX 8 aircraft. Southwest flies Boeing 737 family and Boeing 737-700, Alaska uses Boeing 737 family, United flies Airbus A320 family, Airbus A321neo, Boeing 737 family, and Boeing 737 MAX 8, and Delta operates Boeing 737-800, Airbus A220-100, and Boeing 737 family.",
        "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 Seattle?",
        "answer": "Nonstop flights from Chicago to Seattle are operated by American Airlines and Alaska Airlines (both oneworld), United Airlines (Star Alliance), Delta Air Lines (SkyTeam), and Southwest Airlines, which 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": "Chicago O'Hare offers several lounge options, including Air France, American Admiral's Club, Delta Sky Club, LOT Business Lounge, Wingtips Lounge, Swissport Lounge, United Club, and United Polaris Lounge. Access generally requires airline club membership, elite status, or a qualifying class of service, though many lounges also sell day passes to travelers without membership. The United Polaris Lounge is reserved for international first and business class passengers, while the Swissport Lounge accepts Priority Pass customers.",
        "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 Seattle?",
        "answer": "On Chicago–Seattle flights, Basic Economy often excludes a carry‑on and charges for all checked bags. Standard economy usually includes a carry‑on and personal item, with checked bags available for a fee. Check your airline's policy, as rules vary."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Chicago to Seattle?",
        "answer": "Flights from Chicago to Seattle typically offer Economy and standard domestic First Class with recliner seats. Flat‑bed Business class is uncommon on this route, and Premium Economy is generally not offered."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies depend on the airline and fare type, with flexible and premium tickets often allowing same‑day changes or standby while basic economy typically does not."
      }
    }
  }
}