Swing low, chariot, come down easy
Taxi to the terminal zone
Cut your engines and cool your wings
And let me make it to the telephone
Presley references the historic American anthem Swing Low, Sweet Chariot, but in this instance the chariot refers to the jet plane he's a passenger in.
The protagonist has completed his trip; Norfolk to L.A. By my calculations, the bus, train and airplane time, plus wait time means he was traveling between six and seven days, and that was with good luck. The same trip today is about four hours.