Mid-Continent Airlines was serving Tyler by 1947 with Douglas DC-3 aircraft operating a daily southbound routing of Minneapolis/St. Paul, MN - Sioux Falls - Sioux City - Omaha - St. Joseph, MO - Kansas City - Joplin - Tulsa - Muskogee, OK - Tyler - Houston Hobby Airport as well as a daily northbound routing of Houston Hobby Airport - Tyler - Muskogee - Tulsa - Kansas City - Des Moines.https://www.timetableimages.com/ttimages/complete//mc47/mc47-3.jpg By 1952 Mid-Continent was operating two daily southbound DC-3 flights, one with a routing of a Minneapolis/St. Paul - Sioux Falls - Sioux City - Omaha - Kansas City - Tulsa - McAlester, OK - Paris, TX - Tyler - Longview, TX - Houston Hobby Airport and the other with a routing of Minneapolis/St. Paul - Omaha - Kansas City - Tulsa - Muskogee - Tyler - Houston Hobby Airport as well as a daily northbound DC-3 flight with a routing of Houston Hobby Airport - Longview - Tyler - Paris, TX - McAlester, OK - Tulsa - Joplin - Kansas City - Des Moines - Waterloo, IA - Mason City, IA - Rochester, MN - Minneapolis/St. Paul.https://www.timetableimages.com/ttimages/mc/mc5206/mc5206-4.jpg
