{
  "response": {
    "Key": "CHI-BNA",
    "orig": {
      "code": "CHI",
      "type": "airport",
      "city": "Chicago",
      "fullCity": "Chicago, Illinois",
      "airport": "Dupage County"
    },
    "dest": {
      "code": "BNA",
      "type": "airport",
      "city": "Nashville",
      "fullCity": "Nashville, Tennessee",
      "airport": "Nashville Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Chicago to Nashville?",
        "answer": "The flight from Chicago to Nashville is about 400 miles and typically takes 1 hour 30 minutes nonstop. The return trip is slightly longer at 1 hour 47 minutes, reflecting 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"
        ]
      },
      "q3": {
        "question": "What are the ground transportation options in Nashville?",
        "answer": "From Nashville International Airport, taxis and rideshares (Uber/Lyft) are available at the Ground Transportation Center on Level 1 of Terminal Garage 2, and are generally the most used and convenient options for reaching downtown. The WeGo Route 18 bus provides direct public transit to downtown, though it is slower and less frequent. Car rentals are available at the airport, and the terminal has direct access to I-40, making driving or rideshare the fastest option, typically 15–20 minutes to the city center. No rail link currently serves the airport, though a future light rail connection is proposed.",
        "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"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Chicago to Nashville?",
        "answer": "Average fares from Chicago to Nashville bottom out around $225 in late October. Cheapest months overall are January and October at about $232, with November close behind at $233. The priciest stretch is late March, averaging $288, with March, December, and May the most expensive 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 Chicago to Nashville?",
        "answer": "For Chicago to Nashville, the optimal booking window is roughly 6–9 weeks before departure, when fares average about $155. Booking too far out (like 180 days ahead) can cost nearly double, and prices also rise sharply within the final two weeks. Summer and holiday travel periods tend to shift the cheapest window earlier, so aiming for 8–10 weeks ahead during those times is a good rule of thumb.",
        "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 Nashville?",
        "answer": "Yes, overnight red-eye flights are available from Chicago to Nashville. From O'Hare (ORD), SkyWest (operating as United Express / American Eagle / Delta Connection), American, United, and Envoy (American Eagle) offer late-evening departures between roughly 9:10 PM and 10:23 PM, while from Midway (MDW) Southwest runs departures between about 9:20 PM and 10:45 PM. These flights typically arrive the same night, with the latest departures landing just before or around 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 Nashville?",
        "answer": "Southwest flies nonstop from Chicago Midway to Nashville with 165 weekly flights. From Chicago O'Hare, American and United are the main nonstop carriers — American operates about 103 weekly flights (64 mainline plus 39 under American Eagle by Envoy), while United runs 84 mainline flights, and an additional 181 weekly flights are marketed jointly by American and United under regional operations (SkyWest and Republic). Frontier also offers nonstop service from O'Hare six times a week, and Allegiant flies from Chicago Rockford six times a week. The schedule data does not include typical per‑carrier fares for 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 Nashville?",
        "answer": "Common layover cities for flights from Chicago to Nashville include Atlanta, Charlotte, and Detroit. These hubs offer broad connections and efficient transfers, keeping total travel time competitive. Note that visa‑free transit is irrelevant for this domestic route."
      },
      "q9": {
        "question": "How reliable are on‑time arrivals on this route from Chicago to Nashville?",
        "answer": "On the Chicago to Nashville route, arrival reliability varies by airline, with Envoy Air (operating as American Eagle) leading at 82.5% on-time arrivals and a 1.3% cancellation rate. Southwest Airlines from Midway follows at 81.8% on-time and just 0.4% cancellations, while Frontier and SkyWest (as American Eagle/United Express) lag at 63.9% on-time with higher cancellation rates. Overall, travelers can expect most flights to arrive within 15 minutes of schedule, but choosing Envoy or Southwest offers the best odds.",
        "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 Nashville?",
        "answer": "April to May and September to October offer pleasant temperatures and fewer tourists than summer."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Chicago to Nashville?",
        "answer": "For this domestic flight, bring a Real ID-compliant driver's license or passport, a payment method for baggage, and any required health documents."
      },
      "q12": {
        "question": "Which airport should I use in Nashville?",
        "answer": "Nashville International Airport is the sole commercial airport serving Nashville, located about 8 miles east of downtown. It handles all major airlines and is convenient for city access."
      },
      "q13": {
        "question": "How do I get to Dupage County from the city center?",
        "answer": "From downtown Chicago to O'Hare International Airport, the CTA Blue Line 'L' train is the fastest and most popular public transit option, running 24 hours and taking about 40 minutes from the Loop at the lowest cost. Metra's North Central Service offers weekday commuter rail from Union Station to the O'Hare Transfer Station, while Pace suburban buses serve the airport's Multi-Modal Facility. Taxis, limos, and ride-share services provide direct door-to-door convenience at a higher cost, and driving offers several parking choices including the Main Garage with hourly/daily rates and cheaper economy lots for longer stays.",
        "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 Nashville airport?",
        "answer": "Nashville International Airport has an on-site hotel, the Hilton BNA Nashville Airport Terminal, which is connected to the airport's Terminal Garage 1 and central terminal by a covered pedestrian bridge. There are also private sleep cabins called Minute Suites available airside in Terminal D, across from Gate D3, for travelers who need to rest during a layover.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://sleepinginairports.net/guides/nashville-airport-guide.htm",
            "title": "Nashville Airport Guide (BNA) - 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": "2018-08-06T07:50:09Z"
          },
          {
            "url": "https://sleepinginairports.net/lounges/nashville-airport-lounges.htm",
            "title": "Nashville   Airport Lounges (BNA) – Sleeping in Airports",
            "favicon": "https://www.sleepinginairports.net/wp-content/uploads/2018/09/cropped-sia-logo-180x180.png"
          },
          {
            "url": "https://hilton.com/en/locations/usa/tennessee/nashville/bna-nashville-international-airport",
            "title": "Hotels near Nashville International Airport, Nashville, TN - Find Hotels - Hilton",
            "favicon": "https://www.hilton.com/modules/assets/img/brand/WW/favicon_WW.svg"
          },
          {
            "url": "https://ihg.com/nashville-tennessee/hotels-near-nashville-international",
            "title": "50 Hotels Near BNA Nashville International (BNA) 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 Nashville Intl Airport?",
        "answer": "Nashville International Airport (BNA) offers free Wi-Fi throughout the terminal, and it also has a public reading room — a branch of the Nashville Public Library that has been in the terminal since 1962, though that is not a prayer room or chapel. The airport does not list currency exchange offices or dedicated prayer rooms/chapels in its published amenities. Specific terminal locations for these services are not documented.",
        "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/Nashville,_Tennessee",
            "title": "Nashville, Tennessee",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-17T04:31:17Z"
          }
        ]
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Chicago and Nashville airports?",
        "answer": "At Nashville International Airport (BNA), there are children's play areas, assistance for passengers with special needs, a service animal/pet relief area, family restrooms, and a chapel/meditation room; wheelchair assistance and special-needs support are best arranged through your airline at least 48 hours in advance. For the Chicago side, CHI is a metro area rather than a single airport, so the main commercial gateways are O'Hare (ORD) and Midway (MDW) — both offer wheelchair/mobility assistance, accessible restrooms, and family/children's facilities, and you request wheelchair or disability assistance from your airline at least 48 hours before departure. DuPage Airport (DPA), which the CHI article describes, is a general aviation facility with limited passenger amenities and no dedicated children's play areas or disability assistance programs, so travelers to Nashville should focus on ORD or MDW for accessible services and children's facilities.",
        "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/Willowbrook,_DuPage_County,_Illinois",
            "title": "Willowbrook, DuPage County, Illinois",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-08-28T04:09:35Z"
          },
          {
            "url": "https://www.nashville-airport.com/",
            "title": "Nashville Airport (BNA)"
          },
          {
            "url": "https://www.nashville-airport.com/terminal.php",
            "title": "Terminal Nashville Airport",
            "time_published": "2024-01-01T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/BNA%20Records",
            "title": "BNA Records",
            "time_published": "2025-12-19T01:26:45Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Nashville%20International%20Airport",
            "title": "Nashville International Airport",
            "time_published": "2026-04-19T23:36:04Z"
          },
          {
            "url": "https://www.nashville-airport.com/concessions.php",
            "title": "Facilities Nashville Airport",
            "time_published": "2024-01-01T00:00:00Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Chicago to Nashville?",
        "answer": "Southwest, the most frequent operator on the route, flies Boeing 737 family aircraft including the 737 MAX 8, 737-700, and 737-800. American Airlines uses Airbus A319 and Boeing 737-800 jets, while United operates Airbus A320 and Boeing 737-700 aircraft. Regional affiliates flying for American and United use Embraer E170/E175 and Bombardier CRJ-700 jets, and Frontier and Allegiant both fly Airbus A320 family aircraft.",
        "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 Nashville?",
        "answer": "On the Chicago to Nashville route, American Airlines (oneworld) and United Airlines (Star Alliance) provide nonstop service, along with unaffiliated Southwest, Frontier, and Allegiant. SkyTeam has no nonstop presence here, though its members may offer connecting itineraries.",
        "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 Airport has several airline lounges across its terminals — an Air France Lounge at Terminal 5, an American/JAL/Iberia Admiral's Club at Terminal 3, an American Flagship Lounge at Terminal 3, a Delta Sky Club at Terminal 5, a LOT Business Lounge and a Swissport Lounge both at Terminal 5, and United Club locations at Terminals 1 and 2 plus a United Polaris Lounge at Terminal 1. Eligibility varies: the Air France Lounge admits Air France Business, Flying Blue Elite Plus, eligible KLM travelers, and SkyTeam Elite Plus members on SkyTeam flights; the LOT Business Lounge serves Turkish Airlines, LOT, and Star Alliance business class travelers; the Wingtips Lounge accepts a broad list of Star Alliance and partner airlines including United and Lufthansa; and the Swissport Lounge welcomes Air India, Emirates, Finnair, Priority Pass customers, and others. Most clubs offer day passes for non-members. The Delta Sky Club features premium amenities, expanded food options, and a full-service bar.",
        "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 Nashville?",
        "answer": "Baggage allowance on Chicago–Nashville flights varies by airline and fare class. Basic economy tickets often restrict carry‑on to a personal item and may charge for a full‑size carry‑on, with checked bags always extra. Standard economy typically includes a carry‑on and personal item, but checked bags still incur a fee."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Chicago to Nashville?",
        "answer": "Flights from Chicago to Nashville typically offer only Economy class, as Premium Economy and flat-bed Business are not common on this short domestic route."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Rules differ by airline; flexible fares and premium cabins often allow same‑day changes or standby, whereas restrictive economy tickets usually do not."
      }
    }
  }
}