B
- Bar Harbor Airlines (1971 - 1992)
- Big Apple Airlines (circa 1986)
- Big Sky Airlines (1978 - 2008)
- Bimini Island Air (AOC removed by the FAA 2011)
- Boeing Air Transport (1927 - 1930, to United Airlines)
- Bonanza Air Lines (1945 - 1968, to Hughes Airwest)
- Boston-Maine Airways
- Braniff (1991 - 1992)
- Braniff Inc. (1983 - 1990)
- Braniff International Airways (1928 - 1982)
- Britt Airways (1976 - 1987, to People Express)
- Brockway Air (1984 - 1989, to Metro Air)
- Burlington Airways
- Business Express Airlines (1985 - 2000, to American Eagle)
Read more about this topic: List Of Defunct Airlines Of The United States