{
  "response": {
    "Key": "DTT-PHX",
    "orig": {
      "code": "DTT",
      "type": "airport",
      "city": "Detroit",
      "fullCity": "Detroit, Michigan",
      "airport": "Detroit Metro Airport"
    },
    "dest": {
      "code": "PHX",
      "type": "airport",
      "city": "Phoenix",
      "fullCity": "Phoenix, Arizona",
      "airport": "Sky Harbor Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Detroit to Phoenix?",
        "answer": "The flight from Detroit to Phoenix is about 1,670 miles and typically takes 4 hours 15 minutes. The return from Phoenix to Detroit averages 3 hours 48 minutes, so the westbound leg is about 27 minutes longer.",
        "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 Detroit to Phoenix?",
        "answer": "Delta, American, Frontier, and Southwest all offer nonstop flights from Detroit to Phoenix. Delta runs up to 41 weekly flights, American up to 37, Frontier 21, and Southwest a single Saturday departure, with service operating daily across all carriers except Southwest. Frontier typically offers the lowest fares around $329, while Delta and American average closer to $454–$554.",
        "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 Phoenix?",
        "answer": "At Phoenix Sky Harbor International Airport (PHX), you can get to the city center via the PHX Sky Train® which connects to Valley Metro Rail at 44th and Washington streets, offering an affordable and efficient public transit option. Ride share services are available 24/7 at multiple stations, while taxis and shuttles operate from Terminals 3 and 4. Rental cars are easily accessed via the Sky Train® to the Rental Car Center. The PHX Sky Train® and connecting light rail are the most used and fastest option during peak traffic times, reaching downtown in about 25 minutes.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://www.skyharbor.com/ground-transportation",
            "title": "Ground Transportation | Phoenix Sky Harbor International Airport",
            "favicon": "https://www.skyharbor.com/apple-touch-icon.png"
          },
          {
            "url": "https://faa.gov/air_traffic/publications/domesticnotices/dom21004_ec.html",
            "title": "Arizona.  Phoenix Sky Harbor International Airport (PHX) Standardized Taxi Routes",
            "favicon": "https://faa.gov/air_traffic/publications/domesticnotices/assets/img/apple-touch-icon.png"
          },
          {
            "url": "https://www.skyharbor.com/about-phx/land-reuse-strategy/program-map/",
            "title": "Program Map | Phoenix Sky Harbor International Airport",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Phoenix%20Sky%20Harbor%20International%20Airport",
            "title": "Phoenix Sky Harbor International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-07-23T18:27:42Z"
          },
          {
            "url": "https://www.faa.gov/air_traffic/publications/domesticnotices/dom21022_af.html",
            "title": "PHOENIX SKY HARBOR INTERNATIONAL AIRPORT (PHX) STA...",
            "favicon": "https://www.faa.gov/air_traffic/publications/domesticnotices/assets/images/favicon.ico"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Detroit to Phoenix?",
        "answer": "The cheapest time to fly from Detroit to Phoenix is January, with average fares around $252, and September and November are also inexpensive at about $280. The most expensive months are December (around $328) and March (around $325), with April also on the pricier side at roughly $314. Overall, winter and early fall tend to be the cheapest seasons, while the holiday period and early spring are the most expensive.",
        "methodology": "This seasonal price baseline is a 365-day daily curve of typical round-trip fares for the route, precomputed monthly in-house from Priceline's own air booking-summary archive (the same data that backs the site), not a third party. For each calendar day we take a representative round-trip fare — a blend of the 25th-percentile and average ticket price over the route's bookings — and Gaussian-smooth the series so it reads as a clean seasonal trend rather than day-to-day noise. Thin and international routes are neighbor-filled: the seasonal shape is borrowed from the nearest dense routes (by origin-and-destination great-circle distance) with the price level anchored to the route's own bookings, so a sparse route still shows a plausible curve. It reflects current fares and is refreshed monthly.",
        "toolsUsed": [
          "seasonal_prices"
        ]
      },
      "q5": {
        "question": "How far in advance should I book tickets from Detroit to Phoenix?",
        "answer": "For Detroit to Phoenix, the optimal booking window is roughly 4–6 weeks before departure, when average fares settle around $207 and the absolute lowest price of $205 appears about 30 days out. Booking earlier than that gets progressively more expensive, with fares climbing to $357 if you book 170 days ahead. For summer or holiday travel, demand shifts the curve earlier, so you'd want to extend that window to 6–10 weeks out to lock in the best price.",
        "methodology": "This booking-window guidance comes from the same monthly in-house analysis of Priceline's own air booking-summary archive. It expresses the typical round-trip fare as a function of how many days before departure a trip is booked — from about 180 days out down to the day of departure — aggregating the route's bookings by advance-purchase days and Gaussian-smoothing the curve the same way as the seasonal baseline. From that curve we highlight the stretch of lead times with the lowest average fare as the suggested booking window. Thin and international routes are neighbor-filled from the nearest dense routes, with the price level anchored to the route's own bookings. It reflects current fares and is refreshed monthly.",
        "toolsUsed": [
          "booking_timing"
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Detroit to Phoenix?",
        "answer": "Yes, Delta operates nonstop red-eye flights from Detroit to Phoenix six nights a week — Monday through Saturday — with a departure at 9:35 PM. That late-evening departure lands in Phoenix well before midnight, so it arrives 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"
        ]
      },
      "q8": {
        "question": "If I need a connection, what are common layover cities between Detroit and Phoenix?",
        "answer": "Common layover cities include Chicago, Denver, Dallas and Minneapolis, which offer broad domestic connections and efficient transfers while keeping total travel time competitive. Since this is a domestic route, visa‑free transit is not applicable."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Detroit to Phoenix?",
        "answer": "On the Detroit to Phoenix route, American Airlines has the strongest on-time departure performance at 83.5%, with a cancellation rate of 0.5%. Delta follows at 81.1% on-time departures and a 0.2% cancellation rate, while Frontier trails at 77.7% on-time departures and a 1.0% 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 Phoenix?",
        "answer": "November through April offers mild temperatures and fewer tourists, ideal for outdoor activities."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Detroit to Phoenix?",
        "answer": "For domestic U.S. flights, bring a Real ID or passport, ensure the name matches your ticket and carry payment for baggage and any required health documents."
      },
      "q12": {
        "question": "Which airport should I use in Phoenix?",
        "answer": "Phoenix Sky Harbor is the primary airport, located just three miles east of downtown, serving all major airlines and alliances. Phoenix-Mesa Gateway Airport is a secondary option about 20 miles southeast, mainly used by Allegiant Air and other low-cost carriers for domestic leisure routes."
      },
      "q13": {
        "question": "How do I get to Detroit Metro Airport from the city center?",
        "answer": "Detroit Metropolitan Wayne County Airport (DTW) is about 18 miles southwest of downtown Detroit. The Detroit Air Xpress (DAX) bus runs frequently between downtown and both terminals, taking roughly 30–45 minutes and offering the most direct public transit link at a moderate cost. SMART buses (Routes 125, 280, and FAST 261) provide cheaper but slower service with more stops. Ride‑share and taxis are available curbside and are the fastest door‑to‑door option, though pricier; driving yourself takes about 25–40 minutes and parking ranges from economy lots to close‑in garages at varying rates.",
        "toolsUsed": [],
        "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"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Phoenix airport?",
        "answer": "Phoenix Sky Harbor International Airport (PHX) does not have on-site transit hotels, capsule hotels, or sleeping pods inside the terminals. However, several nearby hotels are connected by free airport shuttle service, providing convenient options for resting between flights.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://sleepinginairports.net/airport-hotels/transit-hotels.htm",
            "title": "Transit Hotels – 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": "2026-06-22T14:15:16Z"
          },
          {
            "url": "https://www.sleepinginairports.net/sleep-guide/sleeping-in-phoenix-airport.htm",
            "title": "Phoenix Airport Guide (PHX) - Sleeping in Airports",
            "time_published": "2026-02-10T16:07:13Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Phoenix%20Sky%20Harbor%20International%20Airport",
            "title": "Phoenix Sky Harbor International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-07-23T18:27:42Z"
          },
          {
            "url": "https://www.skyharbor.com/about-phx/news-media/phx-check-in/2026/july-2026/",
            "title": "July 2026 | Phoenix Sky Harbor International Airport",
            "favicon": "https://www.skyharbor.com/apple-touch-icon.png",
            "time_published": "2026-07-14T00:00:00Z"
          },
          {
            "url": "https://faa.gov/air_traffic/publications/domesticnotices/dom21004_ec.html",
            "title": "Arizona.  Phoenix Sky Harbor International Airport (PHX) Standardized Taxi Routes",
            "favicon": "https://faa.gov/air_traffic/publications/domesticnotices/assets/img/apple-touch-icon.png"
          },
          {
            "url": "https://www.faa.gov/air_traffic/publications/domesticnotices/dom21022_af.html",
            "title": "PHOENIX SKY HARBOR INTERNATIONAL AIRPORT (PHX) STA...",
            "favicon": "https://www.faa.gov/air_traffic/publications/domesticnotices/assets/images/favicon.ico"
          }
        ]
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Sky Harbor Intl Airport?",
        "answer": "Phoenix Sky Harbor International Airport offers currency exchange through Travelex counters in Terminal 4 (near gates B15 and A19) and Terminal 3 (near the food court). There are chapels in Terminal 4 (on level 3 near the B and C gates) and Terminal 3 (near gate F8), providing quiet spaces for prayer and reflection. Free Wi‑Fi is available throughout all terminals.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://www.skyharbor.com/about-phx/news-media/phx-check-in/2026/july-2026/",
            "title": "July 2026 | Phoenix Sky Harbor International Airport",
            "favicon": "https://www.skyharbor.com/apple-touch-icon.png",
            "time_published": "2026-07-14T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Phoenix%20Sky%20Harbor%20International%20Airport",
            "title": "Phoenix Sky Harbor International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-07-23T18:27:42Z"
          },
          {
            "url": "http://skyharbor.com/about-phx/news-media/phx-check-in/2024/december-2024/seasons-greetings-from-phx/",
            "title": "Seasons Greetings from PHX! | Phoenix Sky Harbor International Airport",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/PHX%20Sky%20Train",
            "title": "PHX Sky Train",
            "time_published": "2026-04-27T19:32:37Z"
          },
          {
            "url": "https://faa.gov/air_traffic/publications/domesticnotices/dom21004_ec.html",
            "title": "Arizona.  Phoenix Sky Harbor International Airport (PHX) Standardized Taxi Routes",
            "favicon": "https://faa.gov/air_traffic/publications/domesticnotices/assets/img/apple-touch-icon.png"
          }
        ]
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Detroit and Phoenix airports?",
        "answer": "At Detroit Metro Airport (DTW), wheelchair assistance is available by contacting your airline in advance or visiting the ticket counter upon arrival; the airport also offers Braille signage, hearing loops, family restrooms, and a sensory-sensitive tunnel with a pause button. Phoenix Sky Harbor (PHX) provides a highly accessible environment with wheelchair assistance requestable at booking or curbside, hearing loops at select gates, a free Aira visual-interpreter service for blind or low-vision travelers, and accessible family restrooms in all terminals. Both airports recommend arranging mobility assistance at least 48 hours ahead through your airline, though neither has dedicated children's play areas mentioned in their accessibility programs.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://metroairport.com/at-dtw/getting-around/accessibility-additional-assistance",
            "title": "Accessibility & Additional Assistance | Wayne County Airport Authority",
            "favicon": "https://metroairport.com/themes/custom/wcaa/images/favicons/apple-touch-icon.png"
          },
          {
            "url": "https://metroairport.com/about-us/contact-us",
            "title": "Contact Us | Wayne County Airport Authority",
            "favicon": "https://metroairport.com/themes/custom/wcaa/images/favicons/apple-touch-icon.png"
          },
          {
            "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"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Detroit%20Metropolitan%20Airport",
            "title": "Detroit Metropolitan Airport",
            "time_published": "2026-04-30T20:15:38Z"
          },
          {
            "url": "https://www.skyharbor.com/at-the-airport/amenities/special-needs/",
            "title": "Special Needs | Phoenix Sky Harbor International Airport",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://skyharbor.com/about-phx/news-media/press-releases",
            "title": "Press Releases | Phoenix Sky Harbor International Airport",
            "favicon": "https://skyharbor.com/apple-touch-icon.png",
            "time_published": "2026-07-09T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Phoenix%20Sky%20Harbor%20International%20Airport",
            "title": "Phoenix Sky Harbor International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-07-23T18:27:42Z"
          },
          {
            "url": "https://faa.gov/air_traffic/publications/domesticnotices/dom21004_ec.html",
            "title": "Arizona.  Phoenix Sky Harbor International Airport (PHX) Standardized Taxi Routes",
            "favicon": "https://faa.gov/air_traffic/publications/domesticnotices/assets/img/apple-touch-icon.png"
          },
          {
            "url": "https://www.fly.faa.gov/fly/flyfaa/flyfaaindex?ARPT=PHX&p=1",
            "title": "Phoenix Sky Harbor International Airport",
            "time_published": "2026-06-05T00:00:00Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Detroit to Phoenix?",
        "answer": "Nonstop flights from Detroit to Phoenix are operated with Boeing 737-800s by American Airlines, while Frontier and Southwest also fly the route nonstop though their specific aircraft types aren't publicly listed. One-stop itineraries most often use Boeing 737-800s or 737 MAX 8s on the longer leg, connecting through hubs like Dallas/Fort Worth, Denver, or Las Vegas. Wi-Fi and seatback entertainment are widely available across these aircraft, though the exact amenities vary by airline and specific 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 Detroit to Phoenix?",
        "answer": "Delta (SkyTeam) and American (oneworld) are the alliance carriers flying nonstop from Detroit to Phoenix, while Frontier and Southwest operate the route without belonging to any 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 Detroit?",
        "answer": "Detroit Metropolitan Wayne County Airport (DTW) has a strong selection of lounges, primarily Delta Sky Clubs. In the McNamara Terminal, you'll find five Sky Clubs — near gates A43, A68, A18, A38, and one in Concourse C — accessible to Delta One, SkyTeam Elite Plus, or with a qualifying credit card. Over in the Evans Terminal, the Lufthansa Business Lounge (near gate D8) welcomes business-class passengers and Priority Pass holders, offering a quieter space with drinks and Wi-Fi. Note that the Lufthansa lounge has limited hours (mornings and late afternoons) and a three-hour stay limit.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/DTW",
            "title": "American Express Lounges at Detroit Metropolitan Wayne County Airport | Amex US",
            "time_published": "2026-05-03T00:00:00Z"
          },
          {
            "url": "https://americanexpress.com/en-th/travel/lounges/the-platinum-card/DTW",
            "title": "American Express Lounges at Detroit Metropolitan Wayne County Airport | Amex TH",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://my.prioritypass.com/en-GB/lounges/united-states-of-america/detroit-metropolitan-wayne-county/dtw8-minute-suites",
            "title": "Detroit Metropolitan Airport DTW Lounges - DTW Airport Guide and lounges.  | Priority Pass",
            "time_published": "2024-11-05T00:00:00Z"
          },
          {
            "url": "https://my.prioritypass.com:443/en-GB/lounges/united-states-of-america/detroit-metropolitan-wayne-county/dtw5-lufthansa-business-lounge",
            "title": "Lufthansa Business Lounge DTW AIRPORT Warren C. Evans Terminal Detroit MI Metropolitan Wayne County | Priority Pass",
            "time_published": "2024-11-05T00:00:00Z"
          },
          {
            "url": "https://www.delta.com/us/en/airports/united-states/detroit-sky-club-airport-map",
            "title": "Detroit Metro (DTW) Airport Map & Lounges | Delta Air Lines",
            "time_published": "2023-01-01T00:00:00Z"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Detroit to Phoenix?",
        "answer": "On Detroit–Phoenix flights, baggage rules depend on the airline and fare class. Basic economy may not include a carry-on or checked bag, while standard economy often includes a carry-on and personal item, with checked bags available for a fee."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Detroit to Phoenix?",
        "answer": "On flights from Detroit to Phoenix, you'll typically find Economy and domestic First Class with recliner seats; flat-bed Business and Premium Economy are not common on this domestic route."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies vary by airline and fare; flexible and higher cabin tickets often allow same‑day changes or standby, while Basic Economy typically does not."
      }
    }
  }
}