Allegheny had recently begun flights from Chicago O'Hare that were acquired through a merger with Lake Central Airlines.

[4] According to the October 29, 1978 Britt Airways system timetable, commuter flights for Allegheny were operated by Britt from the airline's small hub located at Chicago O'Hare Airport (ORD) with service to Bloomington, IN, Danville, IL, Indianapolis, IN, Muncie, IN and Terre Haute, IN, all former Lake Central routes that were acquired by Allegheny.

[6] All Allegheny Commuter as well as independently operated services were being flown with Beechcraft 99 and Swearingen Metroliner (Metro II model) turboprops at this time.

[9] By early 1985, the airline was operating jet service as an independent air carrier with British Aircraft Corporation BAC One-Eleven twin jets and was also continuing to fly Beechcraft 99, Fairchild Hiller FH-227 and Swearingen Metroliner (Metro II model) turboprops.

[11][12] Frank Lorenzo's holding company, Texas Air Corporation, acquired People Express later in 1985.

[16] By 1991, the airline was the primary Continental Express carrier at Newark as well operating ATR-42 and Embraer EMB-120 Brasilia aircraft according to the OAG.

[21] Destinations noted in bold were receiving British Aircraft Corporation BAC One-Eleven jet service operated by Britt in early 1985.