Think Atlanta, think Delta. Last year, some 22.1 million passengers transited the airport with the airline. Over eight in ten passengers were domestic, with Norfolk to San Diego the number-one origin-and-destination (O&D). Florida was all-important, featuring 21 times in the top-25 O&Ds, helped by Delta having up to 153 daily departures to 16 Sunshine State airports.
This is a companion discussion topic for the original entry at https://simpleflying.com/atlanta-airport-delta-huge/