Capital Airlines was a commercial airline for the eastern, southern, southeastern, and midwestern United States from 1936 to 1961. In the 1950s, it was the fifth-largest airline in the United States. The airline was the first to offer service from the west to Washington D.C., coach class service, in-flight television, and jet-powered commercial aircraft. This collection is of material that would have been presented to a passenger on a flight around 1957, apparently from Buffalo, New York, to Philadelphia, Pennsylvania, and then back again.

Capital Airlines was a commercial airline for the eastern, southern, southeastern, and midwestern United States from 1936 to 1961. It was the fifth largest airline in the United States. The airline was the first to offer service from the west to Washington D.C., coach class service, in-flight television, and jet-powered commercial aircraft. This collection includes materials related to Capital Airlines predecessor company, Clifford Ball Airlines, and materials created under its former name, Pennsylvania Central Airlines. There is also materials related to the Capital Airline Association. The collection documents the history of the airlines, its aircraft and employees.