Southwest Area Fleet was created in 1942.
Southeast Area Fleet was created in 1942.
Northeast Area Fleet was created in 1943.
Central Pacific Area Fleet was created in 1944.
Southwest Airlines' fleet currently consists of 570 aircraft in service. These are all Boeing 737s, and include 300, 500, 700 and 800 variants. They have placed orders for a further 338 aircraft, to be added to the fleet at some point in the future.
The Fringes of the Fleet was created in 1916.
The Beat Fleet was created in 1990.
The Fleet's In was created on 1942-01-24.
Fleet Defender was created in 1994.
Fleet Command was created in 1999.
Fleet Buzz was created in 1995.
Baltic Fleet was created in 1702.
Northern Fleet was created in 1933.