{"response": {"Key": "DEL-HAN", "orig": {"code": "DEL", "type": "airport", "city": "Delhi", "fullCity": "Delhi, India", "airport": "Indira Gandhi Intl Airport"}, "dest": {"code": "HAN", "type": "airport", "city": "Hanoi", "fullCity": "Hanoi, Vietnam", "airport": "Noi Bai Intl Airport"}, "faq": {"q0": {"question": "What is the typical flight duration from Delhi to Hanoi?", "answer": "The flight from Delhi to Hanoi covers about 1,860 miles. Nonstop flights typically take around 4 hours 5 minutes, while the return leg from Hanoi to Delhi takes roughly 4 hours 45 minutes due to prevailing winds, making the westbound journey about 40 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 Delhi to Hanoi?", "answer": "Yes, three airlines fly nonstop from Delhi to Hanoi: IndiGo (6E) has two daily departures, Vietnam Airlines (VN) operates four days a week (Monday, Wednesday, Friday, Sunday), and VietJet Air (VJ) flies on Wednesday, Friday, and Sunday. IndiGo offers the most frequency with 14 weekly flights, while Vietnam Airlines and VietJet together add another 11 weekly flights on overlapping days. The flight takes roughly 4 hours 5 minutes to 4 hours 20 minutes depending on the carrier.", "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"]}, "q3": {"question": "What are the ground transportation options in Hanoi?", "answer": "At Hanoi’s Noi Bai International Airport, the most-used option to reach the city center is a metered taxi, which takes about 30 minutes and costs around 320,000 VND. Public buses and minibuses are also available from the arrivals level, providing a more budget-friendly alternative. Private transfers, including vans and executive cars, can be booked for a more comfortable ride. No dedicated mass transit rail line currently serves the airport, and ride-share services like Grab operate but aren’t specifically detailed in the airport’s official transport listings. Car rentals are available but are far less common than taxis for the 35-kilometer trip to downtown Hanoi.", "toolsUsed": [], "references": [{"url": "https://hanoiairportonline.com/hanoi-airport-transportation", "title": "Hanoi Airport Transportation – Hanoi Airport Guide", "favicon": "https://www.hanoiairportonline.com/wp-content/themes/eleven40-pro-airport/images/favicon.ico"}, {"url": "https://hanoiairportonline.com", "title": "Hanoi Airport Guide – Hanoi International Airport (Noi Bai) Vietnam", "favicon": "https://www.hanoiairportonline.com/wp-content/themes/eleven40-pro-airport/images/favicon.ico"}, {"url": "https://en.wikipedia.org/wiki/VVNB_Airport", "title": "Noi Bai International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-06-08T17:07:05Z"}, {"url": "https://en.wikipedia.org/wiki/Noi%20Bai%20International%20Airport", "title": "Noi Bai International Airport", "time_published": "2026-04-30T17:46:29Z"}, {"url": "http://www.hanoiairportonline.com/public-taxi", "title": "Hanoi Airport Public Taxi – Hanoi Airport Guide", "time_published": "2026-01-01T00:00:00Z"}]}, "q6": {"question": "Are overnight (red‑eye) flights available from Delhi to Hanoi?", "answer": "Yes, Vietnam Airlines operates nonstop red-eye flights from Delhi to Hanoi four days a week — Monday, Wednesday, Friday, and Sunday — with departures around 11:30 PM and 11:35 PM. These flights arrive in the early hours of 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"]}, "q7": {"question": "Which airlines usually operate this route from Delhi to Hanoi?", "answer": "IndiGo, Vietnam Airlines, and VietJet Air all operate non‑stop from Delhi to Hanoi. IndiGo flies twice daily (14 weekly departures), Vietnam Airlines runs four weekly flights (Monday, Wednesday, Friday, Sunday) with late‑evening departures, and VietJet Air offers three weekly flights on Wednesday, Friday, and Sunday. Specific per‑carrier fares are not listed in the schedule data, so typical pricing is not available here.", "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 Delhi and Hanoi?", "answer": "Common layover cities include Bangkok, Singapore, Kuala Lumpur, and Hong Kong, which offer broad connections, efficient transfers, and visa‑free transit for Indian passport holders in most cases."}, "q10": {"question": "Which months have the best weather for traveling to Hanoi?", "answer": "October to November and March to April offer pleasant temperatures and lower humidity, with fewer tourists than the peak winter months."}, "q11": {"question": "What documents should I bring with me to the airport when flying from Delhi to Hanoi?", "answer": "Bring a passport valid for at least six months and your Vietnam visa or pre‑approved visa letter, proof of onward or return travel, a payment method for baggage, and any required vaccination certificates."}, "q12": {"question": "Which airport should I use in Hanoi?", "answer": "Hanoi has only one airport, Noi Bai International, located about 30 km north of the city centre."}, "q13": {"question": "How do I get to Indira Gandhi Intl Airport from the city center?", "answer": "From central Delhi, the Delhi Metro’s Airport Express Line is the fastest public transit option, linking New Delhi Railway Station to Terminal 3 in about 20 minutes. Air-conditioned DTC buses and the Airport Express shuttle also serve the route, while app‑based ride‑share and prepaid taxis offer door‑to‑door convenience at a higher cost. Driving and parking are available, but not recommended during peak hours due to heavy traffic.", "toolsUsed": [], "references": [{"url": "https://hongkongairport.com/sites/en/passenger-guide/overseas-airports-information/delhi.page", "title": "Delhi Indira Gandhi International Airport, Passenger Guide - Hong Kong International Airport", "favicon": "https://hongkongairport.com/iwov-resources/image/common/icon/favicon.ico"}, {"url": "https://en.wikipedia.org/wiki/Indira%20Gandhi%20International%20Airport", "title": "Indira Gandhi International Airport", "time_published": "2026-05-01T11:11:01Z"}, {"url": "https://www.civilaviation.gov.in/taxonomy/term/180", "title": "Indira Gandhi International Airport, Delhi | Ministry of Civil Aviation", "time_published": "2026-03-30T10:57:53Z"}, {"url": "https://en.wikipedia.org/wiki/Transport_in_Delhi", "title": "Transport in Delhi", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-06-07T13:07:46Z"}, {"url": "https://hongkongairport.com/en/transport/to-from-airport/index.page", "title": "Overview, To and From Airport - Hong Kong International Airport", "favicon": "https://hongkongairport.com/iwov-resources/image/common/icon/favicon.ico"}]}, "q14": {"question": "Are there hotels or sleeping facilities at Hanoi airport?", "answer": "Hanoi's Noi Bai International Airport offers sleep pods for a fee in both Terminal 1 (domestic) and Terminal 2 (international), providing a place to rest without leaving the airport. Several hotels are also located nearby and can be reached by a quick shuttle ride.", "toolsUsed": [], "references": [{"url": "http://www.sleepinginairports.net/asia/hanoi.htm", "title": "Hanoi Airport Guide (HAN) - Sleeping in Airports", "time_published": "2026-04-13T18:12:59Z"}, {"url": "https://sleepinginairports.net/guides/hanoi-airport-guide.htm", "title": "Hanoi Airport Guide (HAN) - Sleeping in Airports", "favicon": "https://www.sleepinginairports.net/nitropack_static/oBWrHkPujHTPIaVWqdDSDhClXUyrYhhb/assets/images/optimized/rev-b853180/www.sleepinginairports.net/wp-content/uploads/2018/09/cropped-sia-logo-180x180.png", "time_published": "2018-08-25T14:32:23Z"}, {"url": "https://en.wikipedia.org/wiki/VVNB_Airport", "title": "Noi Bai International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-06-08T17:07:05Z"}, {"url": "https://hanoiairportonline.com", "title": "Hanoi Airport Guide – Hanoi International Airport (Noi Bai) Vietnam", "favicon": "https://www.hanoiairportonline.com/wp-content/themes/eleven40-pro-airport/images/favicon.ico"}, {"url": "https://activities.marriott.com/asia/vietnam/hanoi/activities/private_transfer_noi_bai_airport_han_hanoi_city_center-XC8HGB", "title": "Private transfer Noi Bai Airport (HAN) - Hanoi City Center", "time_published": "2026-02-23T00:00:00Z"}, {"url": "https://activities.marriott.com/asia/vietnam/hanoi/activities/private_transfer_between_hanoi_city_and_noi_bai_airport_han-XCO8EK", "title": "Private Transfer Between Hanoi City and Noi Bai Airport (HAN)", "time_published": "2026-02-23T00:00:00Z"}]}, "q15": {"question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Noi Bai Intl Airport?", "answer": "Noi Bai International Airport (HAN) has currency exchange services available in both terminals, with multiple counters in the international Terminal 2. Free Wi‑Fi is provided throughout the airport, though it may require a one‑time registration. The available information does not mention dedicated prayer rooms or chapels.", "toolsUsed": [], "references": [{"url": "https://hanoiairportonline.com", "title": "Hanoi Airport Guide – Hanoi International Airport (Noi Bai) Vietnam", "favicon": "https://www.hanoiairportonline.com/wp-content/themes/eleven40-pro-airport/images/favicon.ico"}, {"url": "https://en.wikipedia.org/wiki/VVNB_Airport", "title": "Noi Bai International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-06-08T17:07:05Z"}, {"url": "https://en.wikipedia.org/wiki/Noi%20Bai%20International%20Airport", "title": "Noi Bai International Airport", "time_published": "2026-04-30T17:46:29Z"}, {"url": "https://hanoiairportonline.com/hanoi-airport-photo-gallery", "title": "Hanoi Airport Photo Gallery – Hanoi Airport Guide", "time_published": "2026-01-01T00:00:00Z"}, {"url": "https://en.wikipedia.org/wiki/Phu_Bai_International_Airport", "title": "Phu Bai International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-07-16T07:28:54Z"}]}, "q17": {"question": "What aircraft are typically used on flights from Delhi to Hanoi?", "answer": "The only nonstop aircraft on the Delhi–Hanoi route is the Airbus A321-100, operated by IndiGo. Connecting itineraries most often use the same Airbus A321-100 as the long leg (via Kolkata on IndiGo or via Ho Chi Minh City on VietJet), with VietJet also deploying the Airbus A318 and Airbus A320-100 on the connecting segments. Wider-body types like the Boeing 787, Boeing 777-300ER, Airbus A350-900, and Airbus A380-800 appear on one-stop routings through hubs such as Ho Chi Minh City (Vietnam Airlines), Hong Kong (Cathay Pacific), Singapore (Singapore Airlines), and Bangkok (Thai Airways), though the exact aircraft can vary by day and airline.", "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 Delhi to Hanoi?", "answer": "IndiGo, Vietnam Airlines, and VietJet Air fly nonstop from Delhi to Hanoi. Vietnam Airlines belongs to SkyTeam, while IndiGo and VietJet Air are not members of any global airline alliance. No Star Alliance or oneworld carrier operates this route nonstop, though they may serve it via connections.", "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 Delhi?", "answer": "At Delhi's Indira Gandhi International Airport, the primary lounge provider is Encalm, with multiple locations across terminals. In Terminal 3, you'll find the Encalm Lounge in both domestic and international departures, plus an arrivals lounge, all open 24/7. Terminal 2 has an Encalm Lounge for domestic passengers, and Terminal 1D also features an Encalm Lounge. Priority Pass members can access the Domestic Lounge in T3 (mezzanine level, food court), with a 2-hour limit and complimentary shoe shine. Access is typically available to business class passengers, elite status holders, and day-pass purchasers, though specific eligibility varies by lounge.", "toolsUsed": [], "references": [{"url": "https://americanexpress.com/en-in/travel/lounges/the-platinum-card/DEL", "title": "American Express Lounges at Indira Gandhi International Airport | Amex IN", "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"}, {"url": "https://prioritypass.com/en-GB/lounges/india/indira-gandhi-international", "title": "Indira Gandhi International Airport DEL Lounges - DEL Airport Guide and lounges. | Priority Pass", "favicon": "https://prioritypass.com/icon.png?a4ff481221414a5c"}, {"url": "https://www.prioritypass.com/en-GB/airport-guides/new-delhi-indira-gandhi-international", "title": "New Delhi Indira Gandhi Intl DEL lounges - DEL Airport Guide and lounges. | Priority Pass", "time_published": "2024-11-05T00:00:00Z"}, {"url": "https://www.americanexpress.com/en-us/travel/lounges/the-centurion-card-idc-en/DEL/Domestic-Lounge-Terminal-3-Domestic-xR0EFjQGOr/", "title": "Domestic Lounge at Indira Gandhi International Airport | Amex US", "time_published": "2026-03-18T00:00:00Z"}, {"url": "https://hongkongairport.com/sites/en/passenger-guide/overseas-airports-information/delhi.page", "title": "Delhi Indira Gandhi International Airport, Passenger Guide - Hong Kong International Airport", "favicon": "https://hongkongairport.com/iwov-resources/image/common/icon/favicon.ico"}]}, "q21": {"question": "What is the baggage allowance on this route from Delhi to Hanoi?", "answer": "Baggage allowance on Delhi–Hanoi flights depends on the airline and fare type. Basic economy tickets are restrictive and often exclude checked baggage, while standard international economy fares typically include one checked bag and a carry‑on, with premium classes offering more."}, "q22": {"question": "What cabin and seat options are typical from Delhi to Hanoi?", "answer": "Flights from Delhi to Hanoi typically offer Economy and flat‑bed Business class; Premium Economy is not common on this 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 may allow same‑day changes or standby, while budget and basic fares typically do not."}}}}