{
  "response": {
    "Key": "CHI-DTT",
    "orig": {
      "code": "CHI",
      "type": "airport",
      "city": "Chicago",
      "fullCity": "Chicago, Illinois",
      "airport": "Dupage County"
    },
    "dest": {
      "code": "DTT",
      "type": "airport",
      "city": "Detroit",
      "fullCity": "Detroit, Michigan",
      "airport": "Detroit Metro Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Chicago to Detroit?",
        "answer": "The flight from Chicago to Detroit is about 230 miles and typically takes 1 hour and 23 minutes nonstop, while the return leg averages 1 hour and 27 minutes, a small difference driven by 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 Detroit?",
        "answer": "Yes, there are plenty of nonstop flights from Chicago to Detroit every day. United, American, Delta, and Southwest all fly the route nonstop, with service from both O'Hare and Midway — together they offer over 500 weekly flights, running daily from early morning through late evening, including red‑eyes operated by Republic (for United, American, and Delta) and by 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.",
        "toolsUsed": [
          "route_airlines",
          "flight_schedule",
          "redeye_flights"
        ]
      },
      "q3": {
        "question": "What are the ground transportation options in Detroit?",
        "answer": "From Detroit Metropolitan Airport (DTW), the fastest and most-used option to downtown Detroit is the Detroit Air Xpress bus, which runs daily from 3:30 AM to 11 PM and costs $8 on board or $6 in advance. SMART fixed-route buses and the limited-stop FAST Michigan Route 261 also serve downtown and suburbs, offering a cheaper but slower alternative. For more flexibility, ride-share services like Uber and Lyft are available, along with taxis at both terminals. Rental cars are a solid choice for exploring the region, with major agencies like Hertz, Avis, and Enterprise located at the on-airport rental campus, reachable by free shuttle. Overall, the DAX bus is the most-used and fastest public transit link to 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/de/parken/other-ground-transportation/oeffentliche-verkehrsmittel",
            "title": "Öffentliche Verkehrsmittel | Wayne County Airport Authority",
            "favicon": "https://metroairport.com/themes/custom/wcaa/images/favicons/apple-touch-icon.png"
          },
          {
            "url": "https://www.metroairport.com/ko",
            "title": "Detroit Metro Airport (DTW) | Wayne County Airport Authority",
            "favicon": "https://www.metroairport.com/themes/custom/wcaa/images/favicons/apple-touch-icon.png"
          },
          {
            "url": "https://metroairport.com/fr/stationnement-et-transport/other-ground-transportation/transport-en-commun",
            "title": "Transport en commun | Wayne County Airport Authority",
            "favicon": "https://metroairport.com/themes/custom/wcaa/images/favicons/apple-touch-icon.png"
          },
          {
            "url": "https://metroairport.com/to-from-dtw/rental-cars",
            "title": "Rental Cars | Wayne County Airport Authority",
            "favicon": "https://metroairport.com/themes/custom/wcaa/images/favicons/apple-touch-icon.png"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Chicago to Detroit?",
        "answer": "Average fares from Chicago to Detroit bottom out around $242 in late January, making it the cheapest half-month of the year. January and September tie as the cheapest months overall, both averaging about $250, with February close behind at $251. The most expensive period is late December, when average fares climb to roughly $313, with June averaging $303 as the priciest full month.",
        "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 Detroit?",
        "answer": "For Chicago to Detroit, the best fares come when you book 4-7 weeks ahead, averaging $150, with the absolute cheapest window around 35 days before departure at $147. Waiting until the last minute pushes prices to $338, while booking earlier than 8 weeks out tends to cost $150-$240. Summer and holiday periods shift this earlier by a week or two, so booking 6-8 weeks out is wiser for those dates.",
        "methodology": "Booking-window guidance comes from the same monthly in-house analysis of Priceline's own air booking-summary archive. We aggregate the route's bookings by how many days before departure they were made, from about 180 days out to the day of travel, smooth the curve, and highlight the stretch of lead times with the lowest average fare. Thin and international routes borrow the curve shape from the nearest busy routes, anchored to the route's own price level. It reflects current fares and is refreshed monthly.",
        "toolsUsed": [
          "booking_timing"
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Chicago to Detroit?",
        "answer": "Yes, overnight red-eye flights are available from Chicago to Detroit. Republic Airways (YX) operates nonstop red-eyes from O'Hare (ORD) to Detroit (DTW) daily with departures between 9:00 PM and 10:10 PM, while Southwest (WN) runs red-eyes from Midway (MDW) to DTW most nights with departures around 9:25 PM to 10:55 PM. These late-evening flights arrive the same night, typically landing before midnight given the short flight time.",
        "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 Detroit?",
        "answer": "American, Delta, United, and Southwest all fly nonstop from Chicago to Detroit. From O'Hare, American, Delta, and United operate up to 131 weekly flights combined on mainline and regional jets, with typical fares around $110–$130. Southwest provides additional nonstop service from Midway, with about 84 flights a week at a median fare near $140. Delta also runs regional flights from Midway, adding another 57 weekly departures.",
        "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 Detroit?",
        "answer": "As a short domestic route, non‑stop flights are plentiful and connections are uncommon. If needed, Minneapolis and Atlanta are possible hubs, but they significantly increase total travel time."
      },
      "q9": {
        "question": "How reliable are on‑time arrivals on this route from Chicago to Detroit?",
        "answer": "On the Chicago to Detroit route, the most reliable carrier is Delta Connection operated by SkyWest, with 83.8% of flights arriving on time and a 0.3% cancellation rate. Delta mainline follows at 80.0% on-time, while Southwest trails at 78.6% with a 1.0% cancellation rate.",
        "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 Detroit?",
        "answer": "May, June, and September offer pleasant temperatures and fewer tourists than the peak summer months."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Chicago to Detroit?",
        "answer": "Bring a Real ID, enhanced driver’s license, or passport, a payment method for bags, and check if any health documents are needed."
      },
      "q12": {
        "question": "Which airport should I use in Detroit?",
        "answer": "Detroit Metropolitan Wayne County Airport is the only commercial airport serving Detroit. It is located about 20 miles southwest of downtown and serves as a major hub for Delta Air Lines."
      },
      "q13": {
        "question": "How do I get to Dupage County from the city center?",
        "answer": "DuPage Airport is about 30 miles west of downtown Chicago, and there is no direct public transportation from the city center. The most practical ways to reach it are driving (about 40–50 minutes via I-290/I-88, with free on-site parking), a ride-share or taxi (typically 45–60 minutes and the most convenient for travelers without a car), or a combination of Metra commuter rail to a nearby station like West Chicago or Naperville followed by a short ride-share or taxi. Shuttle buses are not a standard option, and driving yourself is generally the fastest and most popular choice for those with access to a vehicle.",
        "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/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/List_of_county_roads_in_DuPage_County,_Illinois",
            "title": "List of county roads in DuPage County, Illinois",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-05-10T23:15:43Z"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Detroit airport?",
        "answer": "Yes, The Westin Detroit Metropolitan Airport is located directly inside the McNamara terminal at Detroit Metropolitan Wayne County Airport (DTW), with direct access from its lobby to airport check-in and TSA. This on-site hotel also offers a free shuttle between the airport's external terminals.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.marriott.com/en-us/hotels/dtwma-the-westin-detroit-metropolitan-airport/overview/?scid=f2ae0541-1279-4f24-b197-a979c79310b0",
            "title": "The Westin Detroit Metropolitan Airport (Official Site) - DTW Airport Hotel with Shuttle",
            "favicon": "https://cache.marriott.com/Images/Mobile/MC_Logos/MarriottApple57x57.png"
          },
          {
            "url": "https://sleepinginairports.net/lounges/detroit-metro-airport-lounges.htm",
            "title": "Detroit Metro Airport Lounges (DTW) – Sleeping in Airports",
            "favicon": "https://www.sleepinginairports.net/wp-content/uploads/2018/09/cropped-sia-logo-180x180.png"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/dtwma-the-westin-detroit-metropolitan-airport/overview/",
            "title": "Detroit Airport Hotel | The Westin Detroit Metropolitan Airport",
            "time_published": "2025-02-19T00:00:00Z"
          },
          {
            "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://ihg.com/detroit-michigan/hotels-near-detroit-metropolitan-wayne-county",
            "title": "45 Hotels Near DTW Detroit Metropolitan Wayne County (DTW) 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 Detroit Metro Airport?",
        "answer": "Detroit Metropolitan Wayne County Airport (DTW) offers free Wi-Fi to all passengers in the gate waiting areas. The airport provides numerous amenities and nearly 100 restaurants and retail locations, but specific currency exchange offices and prayer rooms or chapels are not detailed in the available information. Terminal locations for these services are not specified beyond the general note that Wi-Fi is available throughout the terminals.",
        "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/dtw/services-amenities/gates-boarding",
            "title": "Gates & Boarding | Wayne County Airport Authority",
            "favicon": "https://metroairport.com/themes/custom/wcaa/images/favicons/apple-touch-icon.png"
          },
          {
            "url": "https://www.metroairport.com/at-dtw/services-amenities/dining",
            "title": "Dining | Wayne County Airport Authority",
            "favicon": "https://www.metroairport.com/themes/custom/wcaa/images/favicons/apple-touch-icon.png"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Detroit_Metropolitan_Airport",
            "title": "Detroit Metropolitan Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-08-20T02:41:07Z"
          },
          {
            "url": "https://metroairport.com/about-us/dtw-destination-pass/faqs",
            "title": "DTW Destination Pass - Frequently Asked Questions | Wayne County Airport Authority",
            "favicon": "https://metroairport.com/themes/custom/wcaa/images/favicons/apple-touch-icon.png"
          }
        ]
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Chicago and Detroit airports?",
        "answer": "Chicago's DuPage Airport (the primary CHI-area general aviation airport) does not list dedicated accessibility or children's play area services in available information, while Detroit Metropolitan Wayne County Airport offers wheelchair assistance through your airline, braille and visual paging signage, hearing loops at select gates, and family restrooms in both terminals. To arrange mobility assistance at Detroit, contact your airline in advance — ideally at least 48 hours before travel — and visit the airline ticket counter upon arrival. TSA Cares can also provide additional support for travelers with disabilities at security checkpoints.",
        "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://metroairport.com/de/dtw/finden-sie-sich-zurecht/barrierefreiheit-betreuungsservice",
            "title": "Barrierefreiheit & Betreuungsservice | Wayne County Airport Authority",
            "favicon": "https://metroairport.com/themes/custom/wcaa/images/favicons/apple-touch-icon.png"
          },
          {
            "url": "https://metroairport.com/fr/dtw/sy-retrouver/services-adaptes",
            "title": "Services adaptés | Wayne County Airport Authority",
            "favicon": "https://metroairport.com/themes/custom/wcaa/images/favicons/apple-touch-icon.png"
          },
          {
            "url": "https://metroairport.com/es/dtw/conociendo-alrededor/accesibilidad-y-asistencia-adicional",
            "title": "Accesibilidad y asistencia adicional | Wayne County Airport Authority",
            "favicon": "https://metroairport.com/themes/custom/wcaa/images/favicons/apple-touch-icon.png"
          },
          {
            "url": "https://metroairport.com/business/doing-business-wcaa/business-opportunities/solicitations",
            "title": "Solicitations | Wayne County Airport Authority",
            "favicon": "https://metroairport.com/themes/custom/wcaa/images/favicons/apple-touch-icon.png"
          },
          {
            "url": "https://metroairport.com/flights",
            "title": "Flights | Wayne County Airport Authority",
            "favicon": "https://metroairport.com/themes/custom/wcaa/images/favicons/apple-touch-icon.png"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Chicago to Detroit?",
        "answer": "Southwest Airlines, the most frequent operator from Chicago Midway to Detroit, flies Boeing 737 family aircraft including the 737-700. From Chicago O'Hare, United Airlines uses Boeing 737 family and Airbus A320 aircraft, Delta Air Lines flies Boeing 717-200 and 737 family jets, and American Eagle (operated by Envoy) uses Embraer E170 and E175 regional jets. Delta Connection (operated by SkyWest) from Midway flies Embraer E175s, while Republic Airways and SkyWest regional services from O'Hare use Embraer E175 and Bombardier CRJ-700/CRJ-900 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 Detroit?",
        "answer": "The Chicago–Detroit route is served by American Airlines (oneworld), Delta Air Lines (SkyTeam), United Airlines (Star Alliance), 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": "DuPage Airport, the primary airport for the Chicago area, offers lounges for transient crews and passengers, along with snooze rooms, showers, and an exercise room. These facilities are available through the airport's Fixed-Base Operator, which also provides courtesy cars and other passenger amenities.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/DuPage_Airport",
            "title": "DuPage Airport",
            "time_published": "2026-07-16T20:45:00Z"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Chicago to Detroit?",
        "answer": "Baggage allowance on this domestic route depends on the airline and fare class. Basic Economy fares often restrict carry-on to a personal item only and may charge for checked bags, while standard economy typically includes a carry-on and personal item but may still charge for checked luggage."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Chicago to Detroit?",
        "answer": "On this short domestic route, Economy is standard, with some flights offering a larger seat in an extra-legroom Economy section; Premium Economy and flat-bed Business are not offered."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies depend on the airline and fare type; flexible and premium tickets often allow same‑day changes or standby, while Basic Economy typically excludes them."
      }
    }
  }
}