Terminals at JAX

All gates in JAX Main Terminal sit off one short T Every airline at Jacksonville International — American, Delta, JetBlue, Southwest, United — operates from the single Main Terminal, and every gate lives off the same compact T-shaped concourse past one shared TSA checkpoint. Once you clear security, you can walk from one end of the T to the other in just a few minutes, so changing from, say, a Delta gate at one side to a Southwest gate on the other is a…