{
  "response": {
    "Key": "DEN-TYO",
    "orig": {
      "code": "DEN",
      "type": "airport",
      "city": "Denver",
      "fullCity": "Denver, Colorado",
      "airport": "Denver Intl Airport"
    },
    "dest": {
      "code": "TYO",
      "type": "airport",
      "city": "Tokyo",
      "fullCity": "Tokyo, Japan",
      "airport": "Narita Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Denver to Tokyo?",
        "answer": "The flight from Denver to Tokyo is about 5,770 miles and typically takes 12 hours 15 minutes nonstop on United. The return leg from Tokyo to Denver is shorter, at 10 hours 40 minutes, due to prevailing tailwinds.",
        "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 Denver to Tokyo?",
        "answer": "United Airlines flies nonstop from Denver to Tokyo Narita, with four daily departures around mid-morning to early afternoon, operating every day of the week. The flight takes roughly 12 hours and 15 minutes eastbound and about 10 hours and 40 minutes on the return, a difference driven by prevailing winds. No other airline offers nonstop service between Denver and Tokyo.",
        "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.",
        "toolsUsed": [
          "route_airlines",
          "flight_schedule"
        ]
      },
      "q2": {
        "question": "Are there visa requirements to travel from Denver to Tokyo?",
        "answer": "For United States nationals, no visa is required for a short tourist visit to Japan from Denver. Travelers may stay up to 90 days visa-free.\n\nThis is general guidance to help you plan, not official immigration advice — entry rules can change and can depend on your nationality and circumstances, so please confirm the current requirements with the relevant embassy or official government source before you travel.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/Visa_policy_of_Japan",
            "title": "Visa policy of Japan",
            "favicon": "https://en.wikipedia.org/static/favicon/wikipedia.ico"
          },
          {
            "url": "https://www.mofa.go.jp/j_info/visit/visa/short/multipleentry.html",
            "title": "Multiple Entry Visa (for nationals of visa exemption countries/regions) | Ministry of Foreign Affairs of Japan"
          },
          {
            "url": "https://www.mofa.go.jp/j_info/visit/visa/faq.html",
            "title": "Frequently Asked Questions | Ministry of Foreign Affairs of Japan"
          }
        ],
        "preopenedReferences": true,
        "stageOnly": true
      },
      "q3": {
        "question": "What are the ground transportation options in Tokyo?",
        "answer": "At Tokyo Narita, the fastest way into the city is the fixed-fare airport taxi, which runs about ¥23,500–¥38,500 to different Tokyo zones plus highway tolls. The most-used option is the express bus network, with direct buses to Tokyo Station, Shinjuku, Shibuya, Ikebukuro, and many other central hubs, plus low-cost buses from ¥1,500. Taxis offer door-to-door convenience but are pricey, while buses balance cost and coverage across the metropolitan area. Ride share and car rentals are not a meaningful part of the Narita-to-Tokyo ground transport picture.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.narita-airport.jp/en/access/taxi",
            "title": "Taxi | NARITA INTERNATIONAL AIRPORT",
            "favicon": "https://www.narita-airport.jp/favicon/apple-touch-icon.png"
          },
          {
            "url": "https://www.narita-airport.jp/en/access/bus/leaving-the-airport/",
            "title": "Bus Going from the Airport to Various Places | Access Information | NARITA INTERNATIONAL AIRPORT",
            "favicon": "https://www.narita-airport.jp/favicon/apple-touch-icon.png"
          },
          {
            "url": "https://www.narita-airport.jp/en/access/shuttlebus/",
            "title": "Traveling Between Terminals | NARITA INTERNATIONAL AIRPORT",
            "favicon": "https://www.narita-airport.jp/favicon/apple-touch-icon.png"
          },
          {
            "url": "https://www.narita-airport.jp/en/access/bus/lcb/",
            "title": "LCB（low-cost bus） | Access Information | NARITA INTERNATIONAL AIRPORT",
            "favicon": "https://www.narita-airport.jp/favicon/apple-touch-icon.png"
          }
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Denver to Tokyo?",
        "answer": "No overnight (red‑eye) flights are scheduled from Denver to Tokyo — neither nonstop nor connecting itineraries with a red‑eye long leg operate on this route.",
        "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 Denver to Tokyo?",
        "answer": "United Airlines operates the only nonstop flight from Denver to Tokyo, with daily service to Narita (NRT) and about 28 weekly departures. Other carriers may also serve the route, but they would require a connection.",
        "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 Denver and Tokyo?",
        "answer": "Common layover cities between Denver and Tokyo include San Francisco, Los Angeles, Seattle, and Vancouver. San Francisco and Los Angeles offer frequent non-stop flights to Tokyo with broad connections and efficient transfers. Seattle provides a shorter first leg and good transpacific links. Vancouver can be a competitive option with visa-free transit for eligible nationalities, keeping total travel time reasonable."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Tokyo?",
        "answer": "March to April for cherry blossoms and mild temperatures, and October to November for pleasant autumn weather and fewer tourists."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Denver to Tokyo?",
        "answer": "Bring a passport valid for the duration of your stay, any required visa or travel authorization, proof of onward or return travel, a payment method for baggage fees, and any necessary vaccination certificates."
      },
      "q12": {
        "question": "Which airport should I use in Tokyo?",
        "answer": "Tokyo has two main airports: Narita and Haneda. Narita handles most long-haul international flights and is about 60 km east of central Tokyo. Haneda is much closer to the city centre, roughly 15 km south, and offers a growing number of international routes alongside extensive domestic connections. For convenience to downtown Tokyo, Haneda is often preferred, while Narita remains the primary gateway for many international carriers."
      },
      "q13": {
        "question": "How do I get to Denver Intl Airport from the city center?",
        "answer": "From downtown Denver, the RTD A Line commuter train is the most popular and budget-friendly option, taking about 37 minutes to reach Denver International Airport with trains running every 15 minutes, 24/7 from Union Station. Ride-share services like Uber and Lyft and taxis are faster at 25–35 minutes and offer door-to-door convenience, but cost significantly more than the train. Driving yourself is possible with parking options at the airport, though the train or ride-share is generally preferred for most travelers.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.flydenver.com/parking-and-transportation/to-and-from/",
            "title": "Getting To and From | Denver International Airport",
            "favicon": "https://www.flydenver.com/apple-touch-icon.png",
            "time_published": "2026-05-15T18:36:33Z"
          },
          {
            "url": "https://flydenver.com/parking-and-transportation/to-and-from/public-bus-or-train-rtd",
            "title": "Public Bus or Train | Denver International Airport",
            "favicon": "https://flydenver.com/apple-touch-icon.png",
            "time_published": "2026-05-15T18:47:06Z"
          },
          {
            "url": "https://www.flydenver.com/parking-and-transportation/to-and-from/airport-transit-center/",
            "title": "Airport Transit Center | Denver International Airport",
            "favicon": "https://www.flydenver.com/apple-touch-icon.png",
            "time_published": "2026-05-15T18:45:07Z"
          },
          {
            "url": "https://faa.gov/air_traffic/publications/domesticnotices/dom25010_af.html",
            "title": "DENVER INTERNATIONAL AIRPORT (KDEN) standard taxi routes",
            "favicon": "https://faa.gov/air_traffic/publications/domesticnotices/assets/images/favicon.ico"
          },
          {
            "url": "https://www.fly.faa.gov/fly/flyfaa/flyfaaindex?ARPT=DEN&p=1",
            "title": "Denver International Airport"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Tokyo airport?",
        "answer": "Tokyo Narita International Airport has several on-site and terminal-connected sleeping options. A capsule hotel, Nine Hours Narita Airport, is located adjacent to Terminal 2 with 24-hour check-in and capsule sleep pods available by the hour or overnight. Day rooms are available on the airside of Terminals 1 and 2, and transit passengers can use them without passing through security.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://sleepinginairports.net/guides/tokyo-narita-airport-guide.htm",
            "title": "Tokyo Narita Airport Guide (NRT) - 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": "2018-10-02T00:00:56Z"
          },
          {
            "url": "http://www.narita-airport.jp/en/service/transportation/capsule-hotel/",
            "title": "Capsule Hotel | NARITA INTERNATIONAL AIRPORT",
            "time_published": "2016-01-01T00:00:00Z"
          },
          {
            "url": "https://www.narita-airport.jp/en/service/transportation/shower/",
            "title": "Showers, Nap Rooms | NARITA INTERNATIONAL AIRPORT",
            "time_published": "2016-01-01T00:00:00Z"
          },
          {
            "url": "http://www.narita-airport.jp/",
            "title": "NARITA INTERNATIONAL AIRPORT",
            "favicon": "http://www.narita-airport.jp/favicon/apple-touch-icon.png"
          },
          {
            "url": "https://ihg.com/narita-japan",
            "title": "Narita Hotels | Top Hotels in Narita, Japan by 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 Narita Intl Airport?",
        "answer": "Tokyo Narita International Airport (NRT) offers currency exchange counters in the arrival and departure lobbies of Terminals 1 and 2, alongside ATMs and automatic currency purchasing machines; Terminal 3 provides ATMs and automatic currency purchasing machines. Free Wi‑Fi is available throughout Terminals 1 and 2, with Wi‑Fi rental services also offered in all three terminals.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.narita-airport.jp/en/service/transportation/shower/",
            "title": "Showers, Nap Rooms | NARITA INTERNATIONAL AIRPORT",
            "time_published": "2016-01-01T00:00:00Z"
          },
          {
            "url": "http://www.narita-airport.jp/en/service/ud/guide/",
            "title": "Narita Airport Facility Layout | NARITA INTERNATIONAL AIRPORT",
            "time_published": "2016-01-01T00:00:00Z"
          },
          {
            "url": "https://www.narita-airport.jp/en/",
            "title": "NARITA INTERNATIONAL AIRPORT",
            "favicon": "https://www.narita-airport.jp/favicon/apple-touch-icon.png"
          },
          {
            "url": "http://www.narita-airport.jp/",
            "title": "NARITA INTERNATIONAL AIRPORT",
            "favicon": "http://www.narita-airport.jp/favicon/apple-touch-icon.png"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Narita,_Chiba",
            "title": "Narita, Chiba",
            "time_published": "2026-07-24T19:28:59Z"
          }
        ]
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Denver and Tokyo airports?",
        "answer": "At Denver International Airport, passengers with disabilities can request electric cart transport to their gates, use accessible parking, and participate in the Hidden Disabilities Sunflower Lanyard Program; mobility assistance through airlines should be arranged at least 48 hours in advance. At Tokyo Narita International Airport, accessible toilets, ostomy toilets, electric carts, hearing assistance speakers, assistance dog toilets, and universal design facilities are available, with 24-hour information counters for inquiries. Travelers should arrange mobility assistance through their airline at least 48 hours before the flight.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://flydenver.com/at-the-airport/services-and-amenities/accessibility-services",
            "title": "Accessibility and Mobility | Denver International Airport",
            "favicon": "https://flydenver.com/apple-touch-icon.png",
            "time_published": "2026-08-10T20:24:04Z"
          },
          {
            "url": "https://www.flydenver.com/event/61719/",
            "title": "Accessibility Resource Fair | Denver International Airport",
            "favicon": "https://www.flydenver.com/apple-touch-icon.png",
            "time_published": "2026-07-22T17:07:58Z"
          },
          {
            "url": "https://flydenver.com/about-den/facilities",
            "title": "Airport Facilities and Grounds | Denver International Airport",
            "favicon": "https://flydenver.com/apple-touch-icon.png",
            "time_published": "2026-08-03T22:42:42Z"
          },
          {
            "url": "https://airporttech.tc.faa.gov/Products/Databases/Denver-Instrumentation/Browse-Database/Weather",
            "title": "AirportTech > Products > Databases  > Denver Instrumentation > Browse Database > Weather",
            "favicon": "https://airporttech.tc.faa.gov/Portals/0/favicon-FAA.ico?ver=L21jzf-llJYYjFtxLcsyqg%3d%3d"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Denver_International_Airport",
            "title": "Denver International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-11T12:43:01Z"
          },
          {
            "url": "https://www.narita-airport.jp/en/bf/aurally/",
            "title": "For Customers with Hearing and Speech Disabilities | NARITA INTERNATIONAL AIRPORT",
            "favicon": "https://www.narita-airport.jp/favicon/apple-touch-icon.png"
          },
          {
            "url": "https://www.narita-airport.jp/en/access/",
            "title": "Access Top | NARITA INTERNATIONAL AIRPORT",
            "favicon": "https://www.narita-airport.jp/favicon/apple-touch-icon.png"
          },
          {
            "url": "https://www.narita-airport.jp/en/",
            "title": "NARITA INTERNATIONAL AIRPORT",
            "favicon": "https://www.narita-airport.jp/favicon/apple-touch-icon.png"
          },
          {
            "url": "http://www.narita-airport.jp/",
            "title": "NARITA INTERNATIONAL AIRPORT",
            "favicon": "http://www.narita-airport.jp/favicon/apple-touch-icon.png"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Narita_International_Airport",
            "title": "Narita International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-12T13:58:31Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Denver to Tokyo?",
        "answer": "United Airlines operates the nonstop service from Denver to Tokyo, using Boeing 787-9 aircraft on the route to Narita. The flights are daily, with departures scheduled throughout the late morning and early afternoon.",
        "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 Denver to Tokyo?",
        "answer": "United Airlines operates the only nonstop service from Denver to Tokyo (Narita), and it is a member of Star Alliance. Other alliances may serve the route via connections, but no other carriers fly it 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 Denver?",
        "answer": "Denver International Airport offers several lounge options in Concourses A, B, and C. American Airlines has an Admirals Club near Gate C-32, American Express operates a Centurion Lounge near Gate C-46, and Capital One has a lounge near Gate A-34 operated by Plaza Premium. Delta Sky Club is located past security at the north end of Concourse A, and United has multiple United Club locations near Gates A-25, B-44, and B-60, with the B-32 location temporarily closed. A USO lounge is available on Level 4 above the mezzanine in Concourse A.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://flydenver.com/at-the-airport/lounge-areas",
            "title": "Denver Airport Lounges | Denver International Airport",
            "favicon": "https://flydenver.com/apple-touch-icon.png",
            "time_published": "2026-08-03T22:37:03Z"
          },
          {
            "url": "https://www.flydenver.com",
            "title": "Denver International Airport | DEN",
            "favicon": "https://www.flydenver.com/apple-touch-icon.png",
            "time_published": "2026-09-08T14:54:34Z"
          },
          {
            "url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/DEN",
            "title": "American Express Lounges at Denver International Airport | Amex US",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://my.prioritypass.com/en-GB/lounges/united-states-of-america/denver-international",
            "title": "Denver International Airport DEN Lounges - DEN Airport Guide and lounges. | Priority Pass",
            "favicon": "https://my.prioritypass.com/icon.png?a4ff481221414a5c"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Denver to Tokyo?",
        "answer": "On Denver–Tokyo flights, Basic Economy fares often exclude checked bags. Standard economy usually includes one checked bag and a carry‑on, while premium cabins offer two checked bags and larger carry‑ons."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Denver to Tokyo?",
        "answer": "Flights from Denver to Tokyo generally offer Economy, Premium Economy, and flat-bed Business class, with First class available on select airlines."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies vary by airline and fare; flexible and higher cabins often allow same‑day changes or standby, while restrictive economy fares typically do not."
      }
    }
  }
}