FLIGHTSWorld's 25 longest airline flights - 2018USA TODAYWhat's the world's longest regularly schedule airline flight? Singapore will take the title in October, but these are the world's 25 longest (by miles) in the schedules for June 2018.Jeremy Dwyer-Lindgren, Special For USA TODAYNo. 25: New York JFK-Guangzhou, China (8,002 miles); China Southern (Boeing 777-300ER); Maximum block time of 16 hours, 5 minutes. (Data source: OAG, gcmap.com, airlines)Jeremy Dwyer-Lindgren, Special For USA TODAYNo. 24: Shanghai-Mexico City (8,026 miles*); Aeromexico (Boeing 787-8); Maximum block time of 15 hours, 45 minutes. (* = Only the eastbound flight operates non-stop; the westbound flight from Mexico City makes a stop in Tijuana, Mexico, en route to Shanghai; Data source: OAG, gcmap.com, airlines)Jeremy Dwyer-Lindgren, Special For USA TODAYNo. 23: Dallas/Fort Worth-Dubai (8,040 miles); Emirates (Boeing 777-300ER); Maximum block time of 16 hours. (Data source: OAG, gcmap.com, airlines)Jeremy Dwyer-Lindgren, Special For USA TODAYNo. 22: Houston Bush Intercontinental-Doha (8,048 miles); Qatar Airways (Boeing 777-200LR); Maximum block time of 15 hours, 40 minutes. (Data source: OAG, gcmap.com, airlines)Jeremy Dwyer-Lindgren, Special For USA TODAYNo. 21: Newark-Hong Kong (8,065 miles); Cathay Pacific (Airbus A350) and United Airlines (Boeing 777-200); Maximum block time of 15 hours, 55 minutes. (Data source: OAG, gcmap.com, airlines)Jeremy Dwyer-Lindgren, Special For USA TODAYNo. 20: New York JFK-Hong Kong (8,072 miles); Cathay Pacific (Boeing 777-300ER); Maximum block time of 16 hours. (Data source: OAG, gcmap.com, airlines)Jeremy Dwyer-Lindgren, Special To USA TODAYNo. 19: San Francisco-Dubai (8,103 miles); Emirates (Airbus A380); Maximum block time of 15 hours, 50 minutes. (Data source: OAG, gcmap.com, airlines)Jeremy Dwyer-Lindgren, Special To USA TODAYNo. 18: Dallas/Fort Worth-Hong Kong (8,123 miles); American Airlines (Boeing 777-300ER); Maximum block time of 16 hours, 20 minutes. (Data source: OAG, gcmap.com, airlines)Jeremy Dwyer-Lindgren, Special To USA TODAYNo. 17: Washington Dulles-Hong Kong (8,153 miles); Cathay Pacific (Airbus A350-1000); Maximum block time of 15 hours, 55 minutes. (Data source: OAG, gcmap.com, airlines)Cathay PacificNo. 16: Houston Bush Intercontinental-Dubai (8,168 miles); Emirates (Airbus A380); Maximum block time of 16 hours, 15 minutes. (Data source: OAG, gcmap.com, airlines)Jasper Colt, USA TODAYNo. 15: Vancouver-Melbourne (8,192 miles); Air Canada (Boeing 787-9); Maximum block time of 16 hours, 15 minutes. (Data source: OAG, gcmap.com, airlines)Jeremy Dwyer-Lindgren, Special To USA TODAYNo. 14: Toronto-Manila (8,221 miles); Philippine Airlines (Boeing 777-300; Maximum block time of 16 hours, 25 minutes. (Data source: OAG, gcmap.com, airlines)BoeingNo. 13: Los Angeles-Doha (8,306 miles); Qatar Airways (Boeing 777-200LR; Maximum block time of 16 hours, 5 minutes. (Data source: OAG, gcmap.com, airlines)Jeremy Dwyer-Lindgren, Special To USA TODAYNo. 12: Los Angeles-Jeddah, Saudi Arabia (8,332 miles); Saudia (Boeing 777-300; Maximum block time of 16 hours, 10 minutes. (Data source: OAG, gcmap.com, airlines)BoeingNo. 11: Los Angeles-Dubai (8,339 miles); Emirates (Airbus A380); Block time of 16 hours. (Data source: OAG, gcmap.com, airlines)Jack Taylor, Getty ImagesNo. 10: Los Angeles-Abu Dhabi (8,390 miles); Etihad (Boeing 777-300ER); Maximum block time of 16 hours, 30 minutes. (Data source: OAG, gcmap.com, airlines)Jeremy Dwyer-Lindgren, Special To USA TODAYNo. 9: Atlanta-Johannesburg (8,439 miles); Delta Air Lines (Boeing 777-200LR); Maximum block time of 16 hours, 1 minutes. (Data source: OAG, gcmap.com, airlines)AFP/Getty ImagesNo. 8: San Francisco-Singapore (8,446 miles); United Airlines (Boeing 787-9) and ; Singapore Airlines (Airbus A350); Maximum block time of 16 hours, 20 minutes. (Data source: OAG, gcmap.com, airlines)Jeremy Dwyer-Lindgren, Special To USA TODAYNo. 7: Dallas/Fort Worth-Sydney (8,578 miles); Qantas (Airbus A380); Maximum block time of 17 hours, 15 minutes. (Data source: OAG, gcmap.com, airlines)Rob Griffith, APNo. 6: Houston Bush Intercontinental-Sydney (8,596 miles); United Airlines (Boeing 787-9); Maximum block time of 17 hours, 20 minutes. (Data source: OAG, gcmap.com, airlines)United AirlinesNo. 5: Los Angeles-Singapore (8,770 miles); United Airlines (Boeing 787-9); Maximum block time of 15 hours, 5 minutes. (Data source: OAG, gcmap.com, airlines) Note: United's flights on this route will end Oct. 27. Singapore Airlines will pick up the route Nov. 2.Jeremy Dwyer-Lindgren, Special To USA TODAYNo. 4: Auckland-Dubai (8,824 miles); Emirates (Airbus A380); Block time of 17 hours, 5 minutes. (Data source: OAG, gcmap.com, airlines)AFP/Getty ImagesNo. 3: Perth-London Heathrow (9,009 miles); Qantas (Boeing 787-9); Maximum block time of 17 hours, 20 minutes. (Data source: OAG, gcmap.com, airlines)EPA-EFENo. 2: Auckland-Doha (9,032 miles); Qatar Airways (Boeing 777-200LR); Maximum block time of 17 hours, 40 minutes. (Data source: OAG, gcmap.com, airlines)Robert Deutsch, USA TODAYxxWong Maye-E, APFeatured Weekly Ad