List of Defunct Airlines of The United States - I

I

• Imperial Airlines (1964 - 1986)
• Independence Air (2004 - 2006)
• Independent Air (1966 - 1990)
• Indigo Airlines (1998 - 2004)
• Intermountain Airlines (? - 1975, to Evergreen International Aviation)
• Irving Airways (1936, to Alaska Air Transport)
• Island Pacific Air (to Air Hawaii)