As one of the big three US legacy carriers, American Airlines is in the business of operating some seriously long routes. Delhi Back To New York-JFK Is The LongestFor the period in question, the longest nonstop flights operated by American will be its services from Indira Gandhi International Airport (DEL) in Delhi back to John F. Kennedy International Airport (JFK) in New York. American announced this route back in April 2021, at which point then-Chief Revenue Officer, Vasu Raja, commented on the service. The carrier concentrates a considerable proportion of its flights through its hub at Dallas/Fort Worth International Airport (DFW). These flights top out at 14 hours and 45 minutes, and they currently run daily using the 787-9.