CMH · John Glenn Columbus International Airport
Columbus, OH. All airports.
Share of flights 15+ min late, by month
departures
arrivals
usual for the month (departures)
Jan 2015 → Jul 2026; gridlines 10/20/30/40%
Recent months — departures
| Month | Flights | Late 15+ | vs usual | Cancelled | Avg min | Main cause |
|---|---|---|---|---|---|---|
| Jul 2026 | 4,002 | 21.8% | -0.8 | 3.1% | 19 | Late aircraft |
| Jun 2026 | 3,876 | 20.2% | -0.5 | 1.6% | 16 | Late aircraft |
| May 2026 | 3,860 | 16.2% | -3.8 | 1.2% | 12 | Late aircraft |
| Apr 2026 | 3,713 | 15.5% | -0.1 | 0.5% | 12 | Late aircraft |
| Mar 2026 | 4,010 | 23.8% | +7.9 | 3.2% | 21 | Late aircraft |
| Feb 2026 | 3,231 | 17.6% | +3.9 | 2.7% | 14 | Late aircraft |
| Jan 2026 | 3,296 | 17.1% | +0.8 | 6.3% | 14 | Airline |
| Dec 2025 | 3,567 | 26.6% | +9.7 | 1.7% | 21 | Airline |
| Nov 2025 | 3,641 | 18.3% | +6.8 | 1.8% | 15 | Air traffic |
| Oct 2025 | 4,031 | 17.4% | +5.0 | 0.7% | 13 | Late aircraft |
| Sep 2025 | 3,726 | 14.6% | +3.1 | 0.5% | 11 | Airline |
| Aug 2025 | 3,758 | 16.1% | -2.4 | 1.4% | 13 | Late aircraft |
| Jul 2025 | 3,933 | 26.7% | +4.7 | 3.4% | 22 | Late aircraft |
| Jun 2025 | 3,926 | 24.1% | +3.9 | 2.3% | 20 | Late aircraft |
| May 2025 | 3,851 | 20.0% | +4.7 | 1.2% | 16 | Air traffic |
| Apr 2025 | 3,824 | 15.6% | +0.5 | 0.9% | 11 | Late aircraft |
| Mar 2025 | 3,760 | 15.9% | +0.4 | 0.8% | 14 | Late aircraft |
| Feb 2025 | 3,103 | 15.4% | +1.7 | 1.3% | 11 | Late aircraft |
| Jan 2025 | 3,283 | 15.2% | -1.8 | 2.2% | 12 | Late aircraft |
| Dec 2024 | 3,528 | 18.7% | +3.4 | 0.2% | 13 | Airline |
| Nov 2024 | 3,610 | 11.3% | -1.6 | 0.3% | 8 | Airline |
| Oct 2024 | 3,849 | 9.6% | -3.4 | 1.2% | 7 | Airline |
| Sep 2024 | 3,549 | 11.3% | -2.0 | 0.2% | 10 | Airline |
| Aug 2024 | 3,707 | 18.6% | -1.0 | 2.2% | 17 | Late aircraft |
Airlines here, Aug 2024 (departures)
| Airline | Flights | Late | Canc. |
|---|---|---|---|
| Republic | 932 | 12.7% | 5.2% |
| Delta | 335 | 12.8% | 0.0% |
| Southwest | 933 | 16.5% | 0.6% |
| Envoy | 278 | 22.4% | 0.4% |
| United | 250 | 22.6% | 0.8% |
| PSA | 133 | 23.8% | 2.3% |
| Spirit | 281 | 24.6% | 3.2% |
| American | 337 | 24.8% | 2.1% |
| SkyWest | 120 | 26.7% | 0.0% |
| Alaska | 56 | 37.5% | 0.0% |
Airlines with 30+ departures that month.
Worst days on record
| Date | Flights | Late | Canc. |
|---|---|---|---|
| 2022-02-03 | 117 | 100% | 95% |
| 2026-01-25 | 113 | 50% | 93% |
| 2022-12-23 | 111 | 79% | 65% |
| 2022-12-24 | 84 | 84% | 48% |
| 2016-12-17 | 62 | 85% | 13% |
| 2022-02-04 | 117 | 73% | 43% |
| 2023-01-11 | 107 | 79% | 9% |
| 2026-01-26 | 111 | 58% | 46% |
| 2024-07-19 | 128 | 71% | 18% |
| 2018-11-15 | 138 | 62% | 20% |
| 2015-02-21 | 52 | 50% | 38% |
| 2015-01-06 | 67 | 63% | 10% |
Departures; ranked by share late or cancelled.
FAA programs, last 90 days
None recorded.