{
  "response": {
    "Key": "BNA-CHI",
    "orig": {
      "code": "BNA",
      "type": "airport",
      "city": "Nashville",
      "fullCity": "Nashville, Tennessee",
      "airport": "Nashville Intl Airport"
    },
    "dest": {
      "code": "CHI",
      "type": "airport",
      "city": "Chicago",
      "fullCity": "Chicago, Illinois",
      "airport": "Dupage County"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Nashville to Chicago?",
        "answer": "The flight from Nashville to Chicago is about 400 miles. Nonstop flights typically take 1 hour 47 minutes, while the return leg is a shorter 1 hour 30 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 Nashville to Chicago?",
        "answer": "Yes, there are nonstop flights from Nashville (BNA) to Chicago. Southwest flies up to 169 weekly flights to Midway (MDW), while American and United together offer around 200 weekly flights to O'Hare (ORD), all operating daily. A few additional nonstops run on Frontier (ORD, Mon/Wed/Fri/Sun) and Allegiant (Rockford RFD, Mon/Thu/Fri/Sun).",
        "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, getting to the city center is easy with several solid options. The CTA Blue Line 'L' train is the most-used and most economical choice, running 24 hours from the airport and reaching downtown in about 40 minutes. Taxis, limos, and rideshares like Uber and Lyft are readily available and offer a faster, more direct ride, while Metra commuter rail and Pace buses provide additional public transit connections. Rental cars are also on-site for those who prefer to drive themselves.",
        "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"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Nashville to Chicago?",
        "answer": "Average fares from Nashville to Chicago bottom out around $205 in late October, making that the cheapest stretch to fly. Overall, October, January, and September are the cheapest months with average fares near $209–211, while late December is the most expensive period at about $248 on average. March and December are also among the priciest months overall.",
        "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 Nashville to Chicago?",
        "answer": "For flights from Nashville to Chicago, the best fares are typically found when booking 4 to 6 weeks ahead, with the single cheapest day being about 35 days before departure at around $142. Booking very early (6 months out) pushes prices up to roughly $282, while last-minute bookings within a week can cost over $200. Summer and holiday periods tend to compress this window, so aiming for the earlier side of that 4-6 week range is safer during peak travel times.",
        "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 Nashville to Chicago?",
        "answer": "Yes, overnight red-eye flights are available from Nashville (BNA) to Chicago (CHI). Southwest operates nonstop red-eyes from BNA to Chicago Midway (MDW) daily, with departures clustered between roughly 9:15 PM and 10:45 PM. These flights are short hops that land before midnight the same evening, typically around 11:30 PM to 12:30 AM, so they arrive late the same night rather than the next morning.",
        "methodology": "Red-eye flights are identified from scheduled local departure and arrival times in our flight-schedule database — built from published airline timetables and official schedule data, including U.S. Department of Transportation records for domestic routes — flagging services that depart late at night and arrive the following morning; for connecting itineraries the red-eye is based on the timing of the overnight long-haul leg.",
        "toolsUsed": [
          "redeye_flights"
        ]
      },
      "q7": {
        "question": "Which airlines usually operate this route from Nashville to Chicago?",
        "answer": "Southwest, American, and United are the main non‑stop carriers from Nashville to Chicago, with Southwest offering 169 weekly flights to Midway, American and United together providing around 300 weekly flights to O’Hare (including regional operations by SkyWest, Republic, and Envoy). Frontier also flies non‑stop to O’Hare a few times a week, and Allegiant serves Rockford with limited non‑stop service. Median fares are not available for this route, but the high frequency keeps options plentiful.",
        "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"
        ]
      },
      "q9": {
        "question": "How reliable are on‑time arrivals on this route from Nashville to Chicago?",
        "answer": "On the Nashville to Chicago route, Southwest is the most reliable with 81.6% of flights arriving on time and a cancellation rate of just 0.4%. United and Republic (operating for United and American) follow at 78.7%, while Frontier lags at 61.3%.",
        "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": "Late May through June and September offer comfortable temperatures and fewer tourists than midsummer."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Nashville to Chicago?",
        "answer": "Bring a valid Real ID or passport for domestic travel within the U.S., and have a payment method ready for any baggage fees. No visa, vaccination certificate, or proof of onward travel is required for this route."
      },
      "q12": {
        "question": "Which airport should I use in Chicago?",
        "answer": "O'Hare is the primary international hub with the most flights and connections. Midway is closer to downtown and mainly serves domestic low-cost carriers like Southwest."
      },
      "q13": {
        "question": "How do I get to Nashville Intl Airport from the city center?",
        "answer": "The WeGo Route 18 bus connects downtown Nashville directly to Nashville International Airport, offering the main public transit option. Taxis and ride-shares like Uber and Lyft are available from the Ground Transportation Center on Level 1 of Terminal Garage 2, and driving is convenient via I-40 or Donelson Pike with on-site parking. Ride-share or taxi is generally the fastest and most popular choice, while the bus is the most economical.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/Nashville_International_Airport",
            "title": "Nashville International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-16T00:04:55Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Nashville–Atlanta_passenger_rail",
            "title": "Nashville–Atlanta passenger rail",
            "time_published": "2026-07-25T16:54:36Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/BNA_Records",
            "title": "BNA Records",
            "time_published": "2025-12-19T01:26:45Z"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Chicago airport?",
        "answer": "The Hilton Chicago O'Hare Airport Hotel is directly connected to the airport, located across from Terminals 1, 2, and 3 and reachable by underground pedestrian walkways. There are also nearby hotels with free shuttle service, such as The Rose Hotel Chicago O'Hare and the Sonesta Chicago O'Hare Airport Rosemont. For sleeping inside the airport, there are no dedicated rest zones or sleep cabins, though cots may be provided during major delays.",
        "toolsUsed": [
          "article_lookup"
        ],
        "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://flychicago.com/ohare/ServicesAmenities/amenities/Pages/hotel.aspx",
            "title": "On-Site Hotel | Chicago O’Hare International Airport (ORD)",
            "favicon": "https://flychicago.com/_catalogs/masterpage/favicon.ico"
          },
          {
            "url": "https://ihg.com/chicago-illinois/hotels-near-ohare-international",
            "title": "60 Hotels Near ORD O'Hare International (ORD) 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 Dupage County?",
        "answer": "Chicago O'Hare International Airport (ORD) offers currency exchange through ATMs and banks located throughout the terminals, so Dupage County's airport is not the relevant destination here since CHI resolves to ORD. Prayer rooms or chapels are not mentioned in the available information, and free Wi‑Fi is provided throughout the terminals along with charging stations. Terminal locations for currency services span the airport generally, with no specific prayer room locations listed.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://flychicago.com/ohare/ServicesAmenities/Pages/default.aspx",
            "title": "Services and Amenities | Chicago O’Hare International Airport  (ORD)",
            "favicon": "https://flychicago.com/_catalogs/masterpage/favicon.ico"
          },
          {
            "url": "https://flychicago.com/ohare/ServicesAmenities/services/pages/default.aspx",
            "title": "Services  | Chicago O’Hare International Airport  (ORD)",
            "favicon": "https://flychicago.com/_catalogs/masterpage/favicon.ico"
          },
          {
            "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://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",
            "favicon": "https://faa.gov/themes/custom/faa/favicon.png"
          },
          {
            "url": "https://flychicago.com/ohare/ServicesAmenities/services/Pages/children.aspx",
            "title": "Traveling with Children | Chicago O’Hare International Airport (ORD)",
            "favicon": "https://flychicago.com/_catalogs/masterpage/favicon.ico"
          }
        ]
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Nashville and Chicago airports?",
        "answer": "Nashville International Airport (BNA) provides mobility assistance and programs for travelers with disabilities, which can be arranged by contacting the airport or airline at least 48 hours before travel. However, specific details about children's play areas at BNA are not listed in the available information. The lookup for Chicago (CHI) resolved to DuPage Airport (DPA), a general aviation facility west of the city, and no accessibility or children's facility details are available for it; travelers flying from Nashville to Chicago will most likely use O'Hare (ORD) or Midway (MDW), whose services should be confirmed directly with those airports.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/Nashville_International_Airport",
            "title": "Nashville International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-16T00:04:55Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/BNA_Records",
            "title": "BNA Records",
            "time_published": "2025-12-19T01:26:45Z"
          },
          {
            "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"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Nashville to Chicago?",
        "answer": "Southwest Airlines operates the most flights from Nashville to Chicago, using Boeing 737 family aircraft including the 737-700. American Airlines and United Airlines each fly the route with a mix of Boeing 737 family, Airbus A320 family, and Embraer E-Jet family aircraft, while Frontier Airlines flies the Airbus A320 family and Allegiant Air uses the Airbus A320 family on its service to Rockford.",
        "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 Nashville to Chicago?",
        "answer": "Nonstop flights from Nashville to Chicago are operated by Southwest, American, United, Allegiant, and Frontier. American is a member of the oneworld alliance and United belongs to Star Alliance, while Southwest, Allegiant, and Frontier are not part of any global alliance.",
        "methodology": "Airlines and weekly frequencies are compiled from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We count each operating carrier's scheduled weekly departures and the days it flies; where there is no nonstop service, connecting carriers are identified by linking scheduled nonstop segments through common hub airports. Where a median fare is shown for a carrier, it reflects the real fares Priceline users found on this route in the last 72 hours.",
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Nashville?",
        "answer": "Nashville International Airport has a Delta Sky Club in the North Terminal, Concourse B, and Minute Suites in the South Terminal, Concourse D. An American Airlines Admirals Club is also located on the mezzanine level between gates C14 and C16 in Concourse C, offering complimentary food and drinks, a full service bar, and complimentary Wi-Fi. These are the lounge options for departing passengers.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/BNA",
            "title": "American Express Lounges at Nashville International Airport | Amex US",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://www.delta.com/us/en/airports/united-states/nashville-sky-club-airport-map",
            "title": "Nashville (BNA) Airport Map & Lounges | Delta Air Lines",
            "favicon": "https://www.delta.com/content/dam/delta-applications/dlhome/favicon.ico"
          },
          {
            "url": "https://aa.com/i18n/travelInformation/airportAmenities/bna-club.jsp",
            "title": "Nashville, TN (BNA)",
            "favicon": "https://aa.com/content/images/chrome/rebrand/favicon.png"
          },
          {
            "url": "https://americanexpress.com/en-au/travel/lounges/the-platinum-card/BNA",
            "title": "American Express Lounges at Nashville International Airport | Amex AU",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Nashville_International_Airport",
            "title": "Nashville International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-16T00:04:55Z"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Nashville to Chicago?",
        "answer": "On domestic flights like Nashville to Chicago, baggage policies vary by airline. Basic economy fares often exclude a full-size carry-on and charge for checked bags, while standard economy typically permits a carry-on and personal item, with checked bags available for a fee."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Nashville to Chicago?",
        "answer": "On this short domestic route, you'll typically find Economy and sometimes standard domestic First Class with recliner seats; flat‑bed Business and Premium Economy 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 often allow same‑day changes or standby, while Basic Economy typically does not."
      }
    }
  }
}