Delta Air Lines is ending service on four domestic routes from New York and Las Vegas by the end of 2026. According to its latest schedule updates, the carrier will end flights between LaGuardia Airport (LGA) and Tulsa International Airport (TUL) on November 6, followed two days later with the end of services from Harry Reid International Airport (LAS) to both John Wayne Airport (SNA) and San Diego International Airport (SAN) on November 8.