Delta Air Lines Inc.

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The airport pairs Delta Air Lines Inc. flew from 1990 to 2025, busiest first, with both directions counted together. One of the airlines counted together as Delta (incl. Northwest).

Show on all routesdomestic routesinternational routes for the top 102550 routes, ranked by all years2025 only.

Directions Pairs togetherEach direction separately

Flying done for the airline by a regional partner, such as SkyWest for Alaska or United, is reported under the regional's own name and is not included. How airlines are grouped. Domestic cargo airlines such as FedEx, and airlines flying small aircraft, are only in the data from October 2002 (UPS from 2001): see known gaps in the data.