Michigan Airports Portage - Kalamazoo Battle Creek (AZO) Detroit - Detroit Metropolitian (DTW) Flint - Bishop (FNT) Grand Rapids - Gerald R Ford (GRR) Lansing - Lansing Capital Region (LAN) Freeland - Freeland MBS International (MBS) Gwinn - Marquette Sawyer (MQT) Traverse City - Traverse City Cherry Capital (TVC)