Air Tran is an American low cost carrier based at Atlanta. American and European LCC concept is slightly different, however. Unlike most low cost carriers, Air Tran provides free soft drinks aboard their planes and they do provide a business class cabin (which is first class for European standards)
Air Tran es el mayor operador del Boeing 717, un avión que estaba introduciéndose en la flota cuando se publicó este horario:
Air Train is the world's biggest Boeing 717 operator. The aircraft was being introduced at the time this timetable was published.
Air Tran - info Wikipedia