Airports › Columbus (CMH) › June 2026
Airport month · June 2026
John Glenn Columbus International in June 2026
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.
In June 2026, reporting carriers scheduled 3,876 domestic departures from John Glenn Columbus International (CMH). 78.5% left less than 15 minutes late and 79.4% reached their destination on time; 1.6% were cancelled.
Nationally that month, 72.2% of flights departed on time and 72.8% arrived on time, so CMH departures were 6.3 points above the national departure figure.
A year earlier, in June 2025, the airport had 3,926 departures with 74.1% leaving on time: a change of +4.4 points, with flights down 1%.
Flights arriving at CMH that month were on time 74.5% of the time (3,876 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 41%, air carrier 29% and national aviation system 28%.
- On time 79.4%
- Arrived 15+ minutes late 18.6%
- Cancelled 1.6%
- Diverted 0.4%
June 2026 against a year earlier, the airport's year and the nation
| Measure | Jun 2026 | Jun 2025 | CMH, 12 months to Jul 2026 | All reported flights, Jun 2026 |
|---|---|---|---|---|
| Departed on time | 78.5% | 74.1% | 79.6% | 72.2% |
| Arrived on time | 79.4% | 73.2% | 79.0% | 72.8% |
| Cancelled | 1.6% | 2.3% | 2.0% | 1.6% |
| Average departure delay (late minutes only) | 15.8 min | 20.3 min | 15.0 min | 20.6 min |
| Scheduled departures a day | 129 | 131 | 123 | 20,253 |
| Scheduled departures | 3,876 | 3,926 | 44,711 | 607,577 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| YX Republic Airline | 1,121 | 29% | 83.6% | -1.9 min | 2.6% |
| WN Southwest Airlines | 1,033 | 27% | 75.1% | 8.2 min | 0.2% |
| AA American Airlines | 377 | 10% | 77.5% | 12.8 min | 2.7% |
| DL Delta Air Lines | 373 | 10% | 88.5% | -1.2 min | 1.1% |
| UA United Airlines | 293 | 8% | 70.0% | 23.1 min | 1.4% |
| MQ Envoy Air | 253 | 7% | 80.6% | 4.7 min | 1.6% |
| OH PSA Airlines | 165 | 4% | 81.8% | -1.0 min | 2.4% |
| OO SkyWest Airlines | 150 | 4% | 82.7% | 3.0 min | 1.3% |
| AS Alaska Airlines | 57 | 1% | 77.2% | 4.4 min | 0.0% |
| F9 Frontier Airlines | 54 | 1% | 55.6% | 40.5 min | 3.7% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| CMH–ORD | Columbus to Chicago | 450 | 76.2% | 10.6 min | 3.3% |
| CMH–ATL | Columbus to Atlanta | 270 | 84.4% | 2.7 min | 1.1% |
| CMH–LGA | Columbus to New York | 220 | 82.7% | -2.4 min | 3.2% |
| CMH–DCA | Columbus to Washington | 176 | 73.3% | 8.6 min | 3.4% |
| CMH–EWR | Columbus to Newark | 176 | 83.0% | -1.5 min | 1.1% |
| CMH–DTW | Columbus to Detroit | 173 | 91.3% | -5.4 min | 0.0% |
| CMH–CLT | Columbus to Charlotte | 170 | 85.3% | -0.1 min | 1.2% |
| CMH–BOS | Columbus to Boston | 169 | 90.5% | -8.3 min | 0.0% |
| CMH–PHL | Columbus to Philadelphia | 168 | 81.5% | 4.6 min | 3.6% |
| CMH–DEN | Columbus to Denver | 157 | 77.1% | 14.6 min | 0.0% |
| CMH–DFW | Columbus to Dallas/Fort Worth | 150 | 68.7% | 17.6 min | 4.0% |
| CMH–MCO | Columbus to Orlando | 140 | 68.6% | 12.4 min | 1.4% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left CMH on time in June 2026?
78.5% of 3,876 scheduled domestic departures left less than 15 minutes late, and 79.4% reached their destination on time. The national figures that month were 72.2% and 72.8%.
How does that compare with a year earlier?
In June 2025, 74.1% of 3,926 departures left on time and 2.3% were cancelled, against 78.5% and 1.6% in June 2026.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2026; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for CMH · methodology · corrections.