November 15, 1979
Map generated by the Great Circle Mapper - copyright © Karl L. Swartz.
Waterloo
Cedar
Rapids
Rockford
Milwaukee
Moline
Des Moines
Peoria
Indianapolis
Cincinnati
Detroit
Metro
Cleveland
New York
LaGuardia *

* Coleman Air Transport acquired McDonnell Douglas DC-9 aircraft and published schedules for service between Rockford
and New York's LaGuardia Airport before losing its operating certificate and suspending operations.