Delta Manage My Booking Delta calls itself the leader of the residential as well as worldwide airline companies market. It is well-known as the busiest airline on the planet. It works across the globe on around 6 continents as well as controls its operations in 242 destinations. Its headquarters remains in Atlanta, Georgia. Additionally, for the travelers' ease of travel, it has a specialized app that is offered on the Google and iPhone application stores. Review listed below the essential truths and knowledge about Delta reservations, flight standing, customer support, and more.