{"response": {"Key": "DEL-SIN", "orig": {"code": "DEL", "type": "airport", "city": "Delhi", "fullCity": "Delhi, India", "airport": "Indira Gandhi Intl Airport"}, "dest": {"code": "SIN", "type": "airport", "city": "Singapore", "fullCity": "Singapore, Singapore", "airport": "Changi Airport"}, "faq": {"q0": {"question": "What is the typical flight duration from Delhi to Singapore?", "answer": "The nonstop flight from Delhi to Singapore covers about 2,590 miles and typically takes 5 hours 55 minutes. The return leg is about 5 hours 50 minutes, making the outbound direction slightly longer. Connecting itineraries generally add two to four hours to the total journey time.", "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 Singapore?", "answer": "Yes, there are direct flights from Delhi to Singapore on three airlines: Singapore Airlines (SQ), Air India (AI), and IndiGo (6E), all operating daily. Singapore Airlines offers up to 28 weekly non‑stops, Air India 21, and IndiGo 14, with departures spread across the morning and late evening. The flight takes about 5 hours 55 minutes eastbound and roughly 5 hours 50 minutes on the return.", "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 Singapore?", "answer": "From Singapore Changi Airport (SIN), you can take the MRT train, public bus, taxi, private hire car (like Grab), or airport shuttle to the city center. The MRT is the fastest and most-used option, taking about 30 minutes and costing under S$2, though you'll need to transfer at Tanah Merah or Expo. Taxis are convenient and metered, costing S$25–S$45 with a 30-minute ride, plus airport and possible midnight surcharges. Private hire cars and the City Shuttle bus (S$10 per adult to most hotels) are also available. Car rentals exist but are generally unnecessary given Singapore's excellent public transport.", "toolsUsed": [], "references": [{"url": "https://www.changiairport.com/en/at-changi/transport-and-directions/leaving-the-airport.html", "title": "Leaving Changi Airport: Transport Options", "favicon": "https://www.changiairport.com/etc.clientlibs/changiairport/clientlibs/clientlib-site/resources/apple-touch-icon-180x180.png"}, {"url": "https://en.wikipedia.org/wiki/Transport%20in%20Singapore", "title": "Transport in Singapore", "time_published": "2026-04-20T00:14:57Z"}, {"url": "https://www.changiairport.com/cn/en/fly/getting-started-in-singapore.html", "title": "Getting Started in Singapore with Changi Airport", "time_published": "2025-01-01T00:00:00Z"}, {"url": "https://en.wikipedia.org/wiki/Transport_in_Singapore", "title": "Transport in Singapore", "time_published": "2026-06-20T14:24:07Z"}, {"url": "http://www.caas.gov.sg/about-caas/our-organisation/our-publications/publication-details/publication/development-works-of-a-three-runway-system-at-changi-airport-to-begin", "title": "Publication Details", "time_published": "2026-04-06T00:00:00Z"}]}, "q6": {"question": "Are overnight (red‑eye) flights available from Delhi to Singapore?", "answer": "Overnight red‑eye flights are available nonstop from Delhi to Singapore. Singapore Airlines operates two daily late‑evening departures at 21:45 and 21:55, and Air India has one at 23:15, each arriving in Singapore in the early morning hours the next day.", "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 Singapore?", "answer": "Air India, IndiGo, and Singapore Airlines fly nonstop from Delhi to Singapore. Singapore Airlines offers the most frequent service with 28 weekly flights, while Air India operates 21 weekly flights and IndiGo runs 14. All three carriers fly daily, with departures spread across morning and late evening. No per-carrier median fares are available for this route.", "methodology": "Airlines and weekly frequencies are compiled from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We count each operating carrier's scheduled weekly departures and the days it flies; where there is no nonstop service, connecting carriers are identified by linking scheduled nonstop segments through common hub airports. Where a median fare is shown for a carrier, it reflects the real fares Priceline users found on this route in the last 72 hours.", "toolsUsed": ["route_airlines"]}, "q8": {"question": "If I need a connection, what are common layover cities between Delhi and Singapore?", "answer": "Common layovers include Kuala Lumpur, Bangkok, Colombo, and Chennai. Kuala Lumpur and Bangkok offer efficient transfers and broad Southeast Asian connections, while Colombo and Chennai provide shorter detours with good regional links. Many transits are visa‑free for Indian passport holders, but confirm entry rules before booking."}, "q10": {"question": "Which months have the best weather for traveling to Singapore?", "answer": "February to April offer the most sunshine and lower humidity, with smaller crowds outside major holidays."}, "q11": {"question": "What documents should I bring with me to the airport when flying from Delhi to Singapore?", "answer": "Bring a passport valid for at least six months beyond your arrival date, a printed or electronic visa if required (many nationalities get visa-free entry), proof of onward or return travel, a payment method for baggage fees, and any vaccination certificates currently recommended by Singapore authorities."}, "q12": {"question": "Which airport should I use in Singapore?", "answer": "Singapore Changi Airport is the city's only international airport, serving all airlines and located about 20 km northeast of downtown."}, "q13": {"question": "How do I get to Indira Gandhi Intl Airport from the city center?", "answer": "From central Delhi, the Airport Express Line of the Delhi Metro is the fastest and most popular way to reach Indira Gandhi International Airport, taking about 20 minutes from New Delhi Railway Station. DTC and DIMTS buses, including air-conditioned services, offer a cheaper alternative but are subject to road traffic. Taxis and ride‑share services like Ola and Uber provide door‑to‑door convenience at a higher cost. Driving and parking is possible, with both short‑term and long‑term lots available at the terminals, though traffic can be heavy.", "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 Singapore airport?", "answer": "Yes, Singapore Changi Airport (SIN) has several on-site hotels and sleeping facilities. Aerotel Airport Transit Hotel is located in Terminal 1 (airside, Level 3 above Gate D41), Ambassador Transit Hotels are in Terminal 2 (airside, Level 3, Departure Transit Hall South) and Terminal 3 (airside, Level 3 next to the Movie Theatre), and JetQuay Sleeping Suites are in the JetQuay CIP Terminal. All are within the transit area so you do not need to clear immigration or take a shuttle. Additionally, there are free snooze lounges and recliners throughout the terminals.", "toolsUsed": [], "references": [{"url": "https://www.sleepinginairports.net/guides/singapore-changi-airport-guide.htm", "title": "Singapore Changi Airport Guide (SIN) - 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": "2018-10-02T00:00:45Z"}, {"url": "https://www.changiairport.com/en/at-changi/facilities-and-services-directory/transit-hotels.html", "title": "Changi Airport Transit Hotels - Singapore Airport Stays", "favicon": "https://www.changiairport.com/etc.clientlibs/changiairport/clientlibs/clientlib-site/resources/apple-touch-icon-180x180.png"}, {"url": "https://www.changiairport.com/en/airport-guide/facilities-and-services/transit-hotels.html", "title": "Transit Hotels", "time_published": "2024-01-07T00:00:00Z"}, {"url": "https://activities.marriott.com/asia/singapore/singapore-city/activities/singapore_changi_airport_sin_to_singapore_round_trip_private_transfer-XS7HFZ?property=SINFP", "title": "Singapore Changi Airport (SIN) to Singapore - Round-Trip Private Transfer", "time_published": "2026-03-16T00:00:00Z"}, {"url": "https://activities.marriott.com/asia/singapore/singapore-city/activities/singapore_to_singapore_changi_airport_sin_private_transfer-XQ2GKJ", "title": "Singapore to Singapore Changi Airport (SIN) - Private Transfer", "time_published": "2026-02-22T00:00:00Z"}, {"url": "https://www.sleepinginairports.net/lounge/singapore-changi-airport/ambassador-transit-lounge-t3-sin.htm", "title": "Ambassador Transit Lounge | Singapore Changi Airport (Terminal 3)", "time_published": "2024-12-06T00:00:00Z"}]}, "q17": {"question": "What aircraft are typically used on flights from Delhi to Singapore?", "answer": "The nonstop fleet from Delhi to Singapore is dominated by the Airbus A380-800 and Boeing 787, both operated by Singapore Airlines, along with the Airbus A321-100 flown by IndiGo and Air India. On connecting itineraries the long leg most often uses an Airbus A321-100 (via Mumbai, Chennai, or Bangalore on IndiGo/Air India) or an Airbus A330-300 (via Kuala Lumpur on Malaysia Airlines), with a smaller number of Boeing 777-300ER (via Hong Kong on Cathay Pacific), Airbus A350-900 (via Bangkok on Thai Airways), and Boeing 737 MAX 8 / 737-800 (via Kuala Lumpur) appearances. The exact aircraft varies by day and airline, and Wi‑Fi with seatback entertainment is widely available on the widebody services.", "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 Singapore?", "answer": "Singapore Airlines (Star Alliance), Air India (Star Alliance), and IndiGo (no alliance) fly nonstop from Delhi to Singapore. Both alliance carriers on this route belong to Star Alliance, while IndiGo is unaffiliated. Other alliances like oneworld and SkyTeam do not currently operate nonstop service on this route.", "methodology": "Airlines and weekly frequencies are compiled from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We count each operating carrier's scheduled weekly departures and the days it flies; where there is no nonstop service, connecting carriers are identified by linking scheduled nonstop segments through common hub airports. Where a median fare is shown for a carrier, it reflects the real fares Priceline users found on this route in the last 72 hours.", "toolsUsed": ["route_airlines"]}, "q20": {"question": "What are the best airport lounge options when departing from Delhi?", "answer": "When departing from Delhi's Indira Gandhi International Airport (DEL), Terminal 3 offers several well-regarded lounge options. The Encalm Lounge has multiple locations across terminals, including a 24-hour international departure lounge in T3 with Wi‑Fi, flight monitors, and complimentary shoe shine; access is available to Priority Pass members and business class passengers on select airlines, with a 2‑hour stay limit. American Express Centurion cardholders can also access the Encalm‑operated Domestic Lounge in T3, while Platinum cardholders have additional options. A separate arrivals lounge is available in T3 for those needing to freshen up after landing.", "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 Singapore?", "answer": "Baggage rules depend on the airline and fare type. Basic Economy may not include a checked bag, while standard Economy usually offers one free checked bag and a carry‑on. Premium cabins provide higher allowances."}, "q22": {"question": "What cabin and seat options are typical from Delhi to Singapore?", "answer": "Flights from Delhi to Singapore typically offer Economy and flat-bed Business class; Premium Economy is uncommon on this route."}, "q23": {"question": "Are same‑day changes or standby possible on this route?", "answer": "Policies vary by carrier and fare class; flexible and premium cabin tickets often allow same‑day changes or standby, while basic‑economy and discounted fares generally do not."}}}}