Currently, the world's longest flight is the 9,585-mile route between New York City and Singapore, operated by Singapore Airlines with a flying time of 18.5 hours.

Excellent question! The title of “longest flight in the world” is a competitive one and changes as airlines launch new ultra-long-haul routes. However, as of October 2024, the undisputed champion is:

Singapore Airlines: Singapore (SIN) to New York (JFK)

• Route: Singapore Changi (SIN) to New York John F. Kennedy (JFK)
• Flight Number: SQ 24 (eastbound), SQ 23 (westbound)
• Distance: Approximately 15,349 km (9,537 miles)
• Scheduled Duration: Around 18 hours and 50 minutes (eastbound). The westbound return flight (against prevailing winds) often takes over 17 hours.

Key Details: Aircraft: Operated exclusively with the Airbus A350-900ULR (Ultra Long Range), a plane specifically designed for such missions. Configuration: This particular flight is offered in a two-class configuration: Business Class and Premium Economy. There is no standard Economy Class on this specific route. Singapore Airlines uses a separate, higher-density A350-900 for its Singapore-Newark route, which does have economy seats. Why it’s possible: Advanced, fuel-efficient aircraft, meticulous flight planning to use favorable winds, and a focus on passenger well-being with enhanced cabin air and humidity.

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Other Notable Contenders for Longest Flights (with Economy Class)

If you’re specifically looking for the longest flight that offers a standard Economy Class cabin, the leader is:

1. Singapore Airlines: