CONTINENTAL AIRLINES (CO)
Aircraft Operated:
McDonnell Douglas DC-9-10, McDonnell Douglas DC-9-30
Cities Served:
Billings
FRONTIER AIRLINES (FL)
Aircraft Operated:
Boeing 737-200
Cities Served:
Billings, Denver, Kalispell
NORTHWEST ORIENT AIRLINES (NW)
Aircraft Operated:
Boeing 727-200
Cities Served:
Billings, Missoula, Spokane
WESTERN AIRLINES (WA)
Aircraft Operated:
Boeing 727-200
Cities Served:
Calgary, Salt Lake City, West Yellowstone
