{"response": {"Key": "BNA-DTT", "orig": {"code": "BNA", "type": "airport", "city": "Nashville", "fullCity": "Nashville, Tennessee", "airport": "Nashville Intl Airport"}, "dest": {"code": "DTT", "type": "airport", "city": "Detroit", "fullCity": "Detroit, Michigan", "airport": "Detroit Metro Airport"}, "faq": {"q0": {"question": "What is the typical flight duration from Nashville to Detroit?", "answer": "The flight from Nashville to Detroit is about 460 miles and typically takes 1 hour 40 minutes nonstop. Returning from Detroit to Nashville, the typical flight time is 1 hour 35 minutes, a small difference of just five minutes.", "methodology": "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.", "toolsUsed": ["flight_schedule"]}, "q1": {"question": "Are there any direct flights from Nashville to Detroit?", "answer": "Yes, Southwest and Delta both fly nonstop from Nashville (BNA) to Detroit (DTT). Southwest operates about 66 weekly flights with departures spread throughout the day, while Delta runs roughly 45 weekly flights (including a handful operated by SkyWest) — both carriers fly the route daily.", "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 Detroit?", "answer": "At Detroit Metropolitan Wayne County Airport (DTW), the most-used public transit connection to downtown is the Detroit Air Xpress (DAX) bus, which runs daily from 3:30 a.m. to 11 p.m. with fares of $8 at the door or $6 in advance. SMART also operates local bus routes 125 and 280, plus the high-frequency FAST Michigan Route 261, serving downtown and suburbs. Taxis, ride-share services like Uber and Lyft, and multiple car rental agencies are readily available at both terminals. For travelers heading to Ann Arbor or East Lansing, the Michigan Flyer and AirRide coaches offer comfortable, direct connections. Overall, the DAX bus is the fastest and most popular option for reaching the city center.", "toolsUsed": ["article_lookup"], "references": [{"url": "https://metroairport.com/dtw/other-ground-transportation/public-transportation", "title": "Public Transportation | Wayne County Airport Authority", "favicon": "https://metroairport.com/themes/custom/wcaa/images/favicons/apple-touch-icon.png"}, {"url": "https://metroairport.com/about-dtw", "title": "About DTW | Wayne County Airport Authority", "favicon": "https://metroairport.com/themes/custom/wcaa/images/favicons/apple-touch-icon.png", "time_published": "2026-04-13T12:00:00Z"}, {"url": "https://www.faa.gov/air_traffic/publications/atpubs/ntap_feb_18/EC10000.html", "title": "Michigan. Detroit Metropolitan Wayne County Airport (DTW) Standard Taxi Routes", "time_published": "2018-02-01T00:00:00Z"}, {"url": "https://en.wikipedia.org/wiki/Detroit%20Metropolitan%20Airport", "title": "Detroit Metropolitan Airport", "time_published": "2026-04-30T20:15:38Z"}, {"url": "https://www.faa.gov/air_traffic/publications/atpubs/ntap_aug_18/EC10000.html", "title": "Michigan. Detroit Metropolitan Wayne County Airport (DTW) Standard Taxi Routes"}]}, "q4": {"question": "When is the cheapest time to fly from Nashville to Detroit?", "answer": "From Nashville to Detroit, the cheapest months to fly are October, August, and September, with October being the most affordable at around $211. The most expensive months are March, July, and April, with March being the priciest at about $343.", "methodology": "This 'good deal' estimate shows a representative best price for each departure date across roughly a 12-month window (about 3 months back and 9 months forward). It is built from real flight prices found by Priceline users searching this route, accumulated into a price history for each departure date. Rather than weighting all of that history equally, we apply exponential time decay so recent prices dominate — a price seen yesterday counts almost in full, one from about a month ago roughly a third, and prices from a few months back very little — giving a figure that tracks today's market instead of a stale long-run average. Clear price outliers are removed before any calculation, departure dates with no observations are filled in from nearby dates, and the resulting curve is lightly smoothed so it reads as a clean seasonal trend rather than day-to-day noise.", "toolsUsed": ["seasonal_prices"]}, "q5": {"question": "How far in advance should I book tickets from Nashville to Detroit?", "answer": "For a flight from Nashville to Detroit, the best time to book is roughly 3 to 6 weeks before departure, when average fares sit around $145. The absolute lowest price appears about 5 weeks out, while last-minute tickets can cost more than double. During peak summer or holiday periods, you should book on the earlier side — closer to 6 to 8 weeks ahead — since demand pushes prices up faster.", "methodology": "This booking-window guidance is built from the same real flight prices found by Priceline users searching this route, re-grouped by how many days before departure each price was seen (from the departure day out to about 180 days ahead) across the route's price history. At each booking lead time we report the 25th-percentile price — the cheaper end of what travelers were quoted, rather than the rock-bottom minimum (which can be a fluke) or the average (which is pulled up by expensive last-minute fares). The buy-or-wait advice then applies a risk premium that grows as departure approaches, since seat availability shrinks and prices become less predictable; using that adjusted curve we flag windows where waiting is likely to save a meaningful amount (at least $20 or 5%) versus windows where booking now is the better call. Isolated single-day recommendations are filtered out, so the advice only reflects a window that holds for several days in a row.", "toolsUsed": ["booking_timing"]}, "q6": {"question": "Are overnight (red‑eye) flights available from Nashville to Detroit?", "answer": "No nonstop red-eye flights operate from Nashville to Detroit. One-stop itineraries with an overnight leg exist, such as a connecting itinerary via Charlotte where the red-eye leg CLT→DTW on American Airlines departs at 21:45 and arrives at 23:32 the same night, with a 45-minute layover in Charlotte.", "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 Detroit?", "answer": "Southwest and Delta fly nonstop from Nashville to Detroit, with Southwest operating about 66 flights a week and Delta around 45, including a handful operated by SkyWest. Both carriers run daily service throughout the day, though no per-carrier fares are listed for this route.", "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"]}, "q8": {"question": "If I need a connection, what are common layover cities between Nashville and Detroit?", "answer": "This is a short domestic route typically served by non‑stop flights, so connections are rarely needed. If you must connect, common hubs like Chicago O’Hare, Atlanta, or Charlotte can work but will significantly increase total travel time compared to the direct options."}, "q9": {"question": "How reliable are on‑time arrivals on this route from Nashville to Detroit?", "answer": "Delta has the best on-time arrival record on this route, with 89.4% of flights arriving within 15 minutes of schedule and a cancellation rate of 0.6%. Southwest follows at 76.7% on-time arrivals and a 0.2% cancellation rate.", "methodology": "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.", "toolsUsed": ["flight_schedule"]}, "q10": {"question": "Which months have the best weather for traveling to Detroit?", "answer": "Late May through June and September offer mild temperatures and avoid summer's peak crowds."}, "q11": {"question": "What documents should I bring with me to the airport when flying from Nashville to Detroit?", "answer": "Since this is a domestic flight within the U.S., you only need a Real ID-compliant driver's license or passport. No visa or vaccination certificate is required, but have a payment method for bags."}, "q12": {"question": "Which airport should I use in Detroit?", "answer": "Detroit has one primary airport: Detroit Metropolitan Wayne County Airport (DTW), located about 20 miles southwest of downtown. It serves all major airlines and is the main hub for domestic and international flights to the region."}, "q13": {"question": "How do I get to Nashville Intl Airport from the city center?", "answer": "From downtown Nashville, you can reach Nashville International Airport (BNA) by WeGo public bus Route 18, which connects the central business district with the airport. Shuttle services, taxis, and ride‑share are also available, with a taxi to the city center taking about 15 minutes and averaging $25. Driving and parking are options as well, with on‑site lots and rental car facilities. The taxi or ride‑share is typically the fastest and most popular choice, while the bus is the most economical.", "toolsUsed": ["article_lookup"], "references": [{"url": "https://www.nashville-airport.com/transportation.php", "title": "Nashville Airport Transportation", "time_published": "2024-01-01T00:00:00Z"}, {"url": "https://www.nashville-airport.com/bna-departures-airline-southwest-airlines", "title": "Southwest Airlines Departures from Nashville Airport (BNA)", "time_published": "2024-09-12T00:00:00Z"}, {"url": "https://en.wikipedia.org/wiki/BNA%20Records", "title": "BNA Records", "time_published": "2025-12-19T01:26:45Z"}, {"url": "https://en.wikipedia.org/w/index.php?mobileaction=toggle_view_mobile&title=BNA_Records", "title": "BNA Records", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2025-12-19T01:26:45Z"}, {"url": "https://www.nashville-airport.com/shuttle.php", "title": "Nashville Airport Shuttle", "time_published": "2025-01-01T00:00:00Z"}]}, "q14": {"question": "Are there hotels or sleeping facilities at Detroit airport?", "answer": "Detroit Metropolitan Wayne County Airport (DTW) does not have on-site capsule hotels or sleeping pods, but the Westin Detroit Metropolitan Airport is connected to the McNamara Terminal via an indoor walkway, and other nearby hotels like the Fairfield Inn & Suites and Detroit Metro Airport Marriott offer complimentary shuttle service. For those looking to sleep in the terminal, the Evans Terminal near Gate D17 and Concourse B near Gate B1 are noted as somewhat quieter spots with cushioned or armrest-free seating.", "toolsUsed": ["article_lookup"], "references": [{"url": "http://www.sleepinginairports.net/usa/detroit.htm", "title": "Detroit Airport Guide (DTW) - Sleeping in Airports", "time_published": "2026-01-15T15:13:03Z"}, {"url": "https://www.sleepinginairports.net/guides/detroit-airport-guide.htm", "title": "Detroit Airport Guide (DTW) - Sleeping in Airports", "time_published": "2018-08-03T10:05:14Z"}, {"url": "https://www.marriott.com/en-us/hotels/dtwfr-fairfield-inn-and-suites-detroit-metro-airport-romulus/overview/", "title": "Detroit Airport Hotel | Fairfield Detroit Metro Airport Romulus", "time_published": "2025-02-19T00:00:00Z"}, {"url": "https://www.marriott.com/es/en-us/hotels/dtwrm-detroit-metro-airport-marriott/overview/", "title": "Detroit Metro Airport Marriott - Hotel in Romulus Near DTW Airport", "time_published": "2025-02-19T00:00:00Z"}, {"url": "https://en.wikipedia.org/wiki/Detroit%20Metropolitan%20Airport", "title": "Detroit Metropolitan Airport", "time_published": "2026-04-30T20:15:38Z"}, {"url": "https://www.marriott.com/en-us/hotels/dtwrm-detroit-metro-airport-marriott/overview/", "title": "Detroit Metro Airport Marriott - Hotel in Romulus Near DTW Airport", "time_published": "2023-08-11T00:00:00Z"}]}, "q15": {"question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Detroit Metro Airport?", "answer": "Detroit Metropolitan Wayne County Airport (DTW) offers free Wi-Fi throughout both terminals, accessible by connecting to the “Detroit Airport Wi-Fi” network. Currency exchange services are available at several locations, including near the International Arrivals area in the McNamara Terminal and in the North Terminal. Prayer rooms and a chapel are also provided: the McNamara Terminal has a quiet reflection room near Gate A36, while the North Terminal offers a chapel near Gate D17.", "toolsUsed": ["article_lookup"], "references": [{"url": "https://metroairport.com/at-dtw/services-amenities", "title": "Services & Amenities | Wayne County Airport Authority", "favicon": "https://metroairport.com/themes/custom/wcaa/images/favicons/apple-touch-icon.png"}, {"url": "https://metroairport.com/about-us/dtw-news/detroit-metropolitan-airport-offers-helpful-holiday-travel-tips", "title": "Detroit Metropolitan Airport offers helpful holiday travel tips | Wayne County Airport Authority", "time_published": "2019-11-25T00:00:00Z"}, {"url": "https://en.wikipedia.org/wiki/Detroit%20Metropolitan%20Airport", "title": "Detroit Metropolitan Airport", "time_published": "2026-04-30T20:15:38Z"}, {"url": "https://www.faa.gov/air_traffic/publications/atpubs/ntap_feb_18/EC10000.html", "title": "Michigan. Detroit Metropolitan Wayne County Airport (DTW) Standard Taxi Routes", "time_published": "2018-02-01T00:00:00Z"}, {"url": "https://www.faa.gov/air_traffic/publications/atpubs/ntap_aug_18/EC10000.html", "title": "Michigan. Detroit Metropolitan Wayne County Airport (DTW) Standard Taxi Routes"}]}, "q17": {"question": "What aircraft are typically used on flights from Nashville to Detroit?", "answer": "On the nonstop route from Nashville to Detroit, Southwest Airlines operates Boeing 737-800s and Boeing 737 MAX 8s, with the exact aircraft varying by flight. Connecting itineraries add more variety — common long-leg types include the Airbus A319, Boeing 737-700, and Canadair Regional Jet 700 via hubs like Charlotte, Chicago O'Hare, and Dallas/Fort Worth, while short connecting legs often use Airbus A320-family jets, Boeing 737s, or Embraer regional jets. In-flight Wi-Fi and seatback entertainment are widely available across these aircraft, though the specific offerings depend on the airline and the individual plane.", "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 Nashville to Detroit?", "answer": "Southwest and Delta (including Delta Connection operated by SkyWest) fly nonstop from Nashville to Detroit. Southwest is not part of any global alliance, while Delta is a SkyTeam member. Other alliances may serve the route through connections, but no other alliance carriers operate nonstop.", "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 (BNA) has a Delta Sky Club in the North Terminal, Concourse B, accessible to Delta Sky Club members, premium cabin passengers, and eligible American Express cardholders. There is also a Minute Suites location in the South Terminal, Concourse D, offering private sleep pods for rest or work, available for a fee or through Priority Pass. No other major airline-branded lounges like an Admirals Club or United Club exist at BNA.", "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", "time_published": "2026-05-02T00:00:00Z"}, {"url": "https://americanexpress.com/en-us/travel/lounges/delta-reserve/BNA", "title": "American Express Lounges at Nashville International Airport | Amex US", "time_published": "2026-01-01T00:00:00Z"}, {"url": "https://www.delta.com/kr/en/airports/united-states/nashville-sky-club-airport-map", "title": "Nashville (BNA) Airport Map & Lounges | Delta Air Lines", "time_published": "2020-01-01T00:00:00Z"}, {"url": "https://www.prioritypass.com/lounges/usa/nashville-tn-intl", "title": "Nashville International Airport BNA Lounges - BNA Airport Guide and lounges. | Priority Pass", "time_published": "2024-11-05T00:00:00Z"}, {"url": "https://nl.delta.com/us/nl/airports/united-states/nashville-sky-club-airport-map", "title": "Nashville (BNA) Airport Map & Lounges | Delta Air Lines", "time_published": "2023-01-01T00:00:00Z"}]}, "q21": {"question": "What is the baggage allowance on this route from Nashville to Detroit?", "answer": "On domestic flights like Nashville to Detroit, most airlines charge for checked bags in standard economy unless you have status or a co‑branded credit card; carry‑on is usually included. Basic economy fares often restrict carry‑ons to a personal item only, with checked bags incurring a fee."}, "q22": {"question": "What cabin and seat options are typical from Nashville to Detroit?", "answer": "Flights from Nashville to Detroit typically offer Economy and sometimes extra‑legroom Economy; 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": "Policies vary by airline and fare; flexible and premium cabin tickets often allow same‑day changes or standby, while Basic Economy typically does not."}}}}