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Flight Time Calculator
Calculate approximate flight time based on distance between cities, typical commercial aircraft speed, and total door-to-door travel time including airport check-in, security, boarding, and ground transportation.
Commercial flight time depends on distance, aircraft cruising speed, wind patterns, and routing. A great-circle distance of 2,800 miles (New York to Los Angeles) takes approximately 5.5 hours in the air, but 8-9 hours total door-to-door. This calculator helps you plan realistic total travel times for any destination.
Formula
Flight Time = Distance / Average Aircraft Speed | Total Travel = Check-in + Security + Flight + Connection + Ground Transport
Flight Duration Reference Guide
Commercial aircraft cruise at 460-575 mph (740-925 km/h) at 30,000-35,000 feet altitude. Actual flight time is affected by winds — eastbound flights benefit from the jet stream (faster) while westbound flights fight against it (slower). This can add or subtract 30-60 minutes on transcontinental flights.
Route
Distance
Typical Flight Time
New York to London
3,459 mi
~6.5-7.5 hr eastbound, 7.5-8.5 hr westbound
New York to Los Angeles
2,451 mi
~5.5 hr eastbound, 6.5 hr westbound
Los Angeles to Tokyo
5,479 mi
~11-12 hours
London to Dubai
3,416 mi
~7 hours
Sydney to London
10,573 mi
~22 hours (typically 1 stop)
New York to Miami
1,092 mi
~3 hours
London to NYC direct
3,459 mi
~7 hours (eastbound tailwind)
Total Door-to-Door Travel Time
Airlines typically recommend arriving: domestic US: 2 hours before departure; international: 3 hours. Add to this: ground transport to airport (30-90 minutes), security and boarding (45-90 minutes), actual flight time, baggage claim (20-45 minutes), and ground transport to destination (30-90 minutes). A 3-hour flight can easily become a 7-8 hour travel day.
Time Zones and Arrival Time
Calculate local arrival time: Departure time + flight time + time zone difference = local arrival time. New York (ET) to Los Angeles (PT) — 3 hours behind: depart 8am ET + 5.5hr flight = 13:30 ET = 10:30am PT. New York to London (UTC+5 in summer): depart 9pm ET + 7hr = 4am London time = 11pm NY = 4am London.
Frequently Asked Questions
Coast-to-coast US flights (New York to Los Angeles, approximately 2,450 miles): eastbound 4.5-5.5 hours, westbound 5.5-6.5 hours (fighting the jet stream). With 2 hours airport time each end: total travel day is 8-10 hours. Non-stop flights are available on major routes; connections add 3-5 hours.
Flight time = Distance / Average speed. Commercial aircraft cruise at 500-575 mph. For 2,000 miles: 2,000/550 = 3.6 hours flight time. Add takeoff/landing (30-40 min total) and taxi time (15-30 min): total block time ≈ 4 hours 20 minutes. The scheduled flight time in airline booking includes all these time components.
The jet stream — a fast-moving river of air at 30,000 feet altitude — flows from west to east at 50-150 mph. Eastbound flights ride this tailwind (faster, shorter flight time). Westbound flights fly against it (slower, longer flight time). New York to London: 6.5-7.5 hours. London to New York: 7.5-8.5 hours — a 1-hour difference from the same jet stream.
Commercial aircraft cruising at 550 mph: covers approximately 550 miles (885 km) per hour. In 2 hours: 1,100 miles — enough to cross most European countries or cover half the US East Coast. Private jets: 400-500 mph. Supersonic aircraft (Concorde): 1,340 mph, covering 1,340 miles per hour.
As of 2024: Singapore Airlines SQ24 from Singapore to New York JFK — approximately 9,534 miles (15,349 km), ~18.5 hours. Previously: Singapore to Newark SQ22 (18 hours). Qantas Project Sunrise aims for direct Sydney to London (~17,000 km, ~20 hours) — the theoretical maximum for current commercial aircraft range.
US domestic flights: 2 hours before departure (or 90 minutes for simple trips with carry-on only and TSA Pre-Check). International flights: 3 hours before departure. Allow extra time at: New York JFK/LGA, Los Angeles LAX, Chicago O'Hare, Atlanta ATL — consistently the most congested US airports with longest security lines.