| name | Hub | image | date Ceased operations | date Commenced operations | IATA Code | ICAO Code | city Headquarters | administrative division Headquarters | country Headquarters | continent Headquarters | Country | continent | Parent | number of aircrafts | number of destinations | Website |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Midwest Airlines | Milwaukee Mitchell International Airport | 2010 | 1948 | YX | MEP | Oak Creek, Wisconsin | Wisconsin | United States | Americas | United States | Americas | Republic Airways Holdings | 33 | 18 | Website | |
| Midwest Connect | Milwaukee Mitchell International Airport | 2010 | 1994 | Oak Creek, Wisconsin | Wisconsin | United States | Americas | United States | Americas | Republic Airways Holdings | 13 | 17 | Website | |||
| Skyway Airlines | Milwaukee Mitchell International Airport |  | 04/2008 | 1994 | AL | SYX | Oak Creek, Wisconsin | Wisconsin | United States | Americas | United States | Americas | TPG Capital | 16 | 19 | Website |