Airlines at John Glenn Columbus International Airport (CMH)
Columbus, Ohio KCMH #49 US airport by passengers
Airlines operating at CMH, ranked by number of departures.
On-time performance at CMH
Based on 11,738 departures from May 2026 to July 2026. A flight counts as late when it leaves 15 or more minutes after schedule.
19.1%Departures late
23.9%Arrivals late
2.05%Cancelled
15.2 minAverage departure delay
| Airline | Departures | Late |
|---|---|---|
| Republic Airways | 3,314 | 12.6% |
| Southwest Airlines | 3,139 | 26.0% |
| American Airlines | 1,150 | 19.6% |
| Delta Air Lines | 1,138 | 14.8% |
| United Airlines | 902 | 23.5% |
| Envoy Air | 739 | 13.9% |
| PSA Airlines | 553 | 20.8% |
| SkyWest Airlines | 469 | 18.3% |
| Frontier Airlines | 170 | 28.2% |
| Alaska Airlines | 162 | 30.9% |
Source: Bureau of Transportation Statistics, On-Time Performance of reporting carriers. Smaller regional carriers and some airlines are not included.
Airline presence
Southwest is the largest carrier, with American, United, Delta, Alaska, Frontier, Spirit, Sun Country, Air Canada and Breeze also serving CMH.