Airlines Serving Springfield, Illinois in April 1997

AMERICAN EAGLE (AA*)
Aircraft Operated:
Saab 340
Cities Served:
Chicago O’Hare, Springfield (MO)

GREAT LAKES AVIATION (ZK)
Aircraft Operated:
Beech 1900
Cities Served:
Chicago Meigs

UNITED EXPRESS (OPERATED BY GREAT LAKES AVIATION) (UA/ZK)
Aircraft Operated:
Beech 1900, Embraer EMB-120 Brasilia
Cities Served:
Chicago O’Hare, Decatur, Mount Vernon