Airport reliability
Columbus (CMH) on-time performance
How reliably flights leave Columbus, OH (CMH) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.
Columbus, OH44,809 departures in 12 months
- Departures on time
- 78.5% U.S. average 75.6%
- Cancelled
- 2.1% U.S. average 1.9%
- 60+ minutes late
- 7.1% U.S. average 8.1%
- Scheduled departures
- 44,809 12 months
What this means
CMH departures beat the U.S. average.
- 78.5% of the 44,809 scheduled departures from Columbus (CMH) arrived at their destination on time, 2.9 points higher than the U.S. average of 75.6%.
- 2.1% of departures were cancelled (U.S. average 1.9%), and 7.1% arrived an hour or more late.
- Flights arriving at CMH were on time 74.9% of the time.
- Among airlines with at least 300 departures, Delta Air Lines was the most punctual from CMH (85.8%) and Frontier Airlines the least (64.9%).
- Over the last 3 years, October was the most reliable month for departures from CMH (86.0% on time) and July the least reliable (74.4%).
- Cancellations peaked in January, when 3.8% of flights were cancelled.
- Flights scheduled to depart before 6 am were the most punctual (93.0% on time); flights scheduled to depart 8 pm to 9 pm were the least (65.2%).
Airlines at CMH
Ranked by on-time arrival
| Airline | On time | Cancelled | 60+ min late | Avg delay when late | Departures |
|---|---|---|---|---|---|
| Delta Air Lines | 85.8% | 1.2% | 5.5% | 86 min | 3,730 |
| American Airlines | 80.4% | 2.1% | 7.4% | 113 min | 4,222 |
| Envoy AirSold as American Eagle | 79.9% | 1.1% | 7.6% | 90 min | 3,078 |
| Republic AirwaysSold as American Eagle, Delta Connection, United Express | 79.3% | 3.4% | 6.4% | 67 min | 13,053 |
| Southwest Airlines | 78.9% | 1.0% | 5.8% | 59 min | 12,338 |
| SkyWest AirlinesSold as United Express, Delta Connection, American Eagle, Alaska | 74.1% | 3.0% | 11.9% | 120 min | 1,458 |
| United Airlines | 72.9% | 1.3% | 10.0% | 87 min | 3,396 |
| PSA AirlinesSold as American Eagle | 72.6% | 4.5% | 9.5% | 87 min | 1,643 |
| Alaska Airlines | 70.1% | 1.1% | 6.5% | 50 min | 465 |
| Spirit Airlines | 70.0% | 3.8% | 10.9% | 82 min | 859 |
| Frontier Airlines | 64.9% | 1.9% | 13.1% | 84 min | 567 |
Tap a heading to sort.
On-time rate by departure hour
Share of scheduled flights on time CMH average 78.5%
Show as table
| Period | On time | Flights |
|---|---|---|
| Departing before 6 am | 93.0% | 2,266 |
| Departing 6 am to 7 am | 88.5% | 5,837 |
| Departing 7 am to 8 am | 85.6% | 4,403 |
| Departing 8 am to 9 am | 85.8% | 3,358 |
| Departing 9 am to 10 am | 83.5% | 1,998 |
| Departing 10 am to 11 am | 83.7% | 2,453 |
| Departing 11 am to noon | 82.5% | 2,864 |
| Departing noon to 1 pm | 76.6% | 2,616 |
| Departing 1 pm to 2 pm | 76.1% | 2,211 |
| Departing 2 pm to 3 pm | 70.6% | 2,234 |
| Departing 3 pm to 4 pm | 70.1% | 2,357 |
| Departing 4 pm to 5 pm | 69.8% | 2,276 |
| Departing 5 pm to 6 pm | 65.3% | 3,173 |
| Departing 6 pm to 7 pm | 69.3% | 3,057 |
| Departing 7 pm to 8 pm | 68.2% | 2,124 |
| Departing 8 pm to 9 pm | 65.2% | 1,226 |
| Departing 9 pm to 10 pm | 66.1% | 351 |
| Departing 10 pm to 11 pm | Insufficient sample | 5 |
Best and worst months at CMH
Share of scheduled flights on time 12-month average 78.5%
Show as table
| Period | On time | Flights |
|---|---|---|
| January | 77.3% | 9,747 |
| February | 81.9% | 9,377 |
| March | 79.4% | 11,231 |
| April | 83.7% | 10,888 |
| May | 79.1% | 11,291 |
| June | 77.7% | 11,431 |
| July | 74.4% | 11,732 |
| August | 78.5% | 11,321 |
| September | 85.3% | 10,760 |
| October | 86.0% | 11,522 |
| November | 85.1% | 10,659 |
| December | 79.6% | 10,414 |
Month by month, last 12 months
Share of scheduled flights on time U.S. average 75.6%
Show as table
| Period | On time | Flights |
|---|---|---|
| Sep 2025 | 84.6% | 3,726 |
| Oct 2025 | 80.4% | 4,031 |
| Nov 2025 | 78.4% | 3,641 |
| Dec 2025 | 69.4% | 3,567 |
| Jan 2026 | 76.3% | 3,296 |
| Feb 2026 | 80.5% | 3,231 |
| Mar 2026 | 73.8% | 4,010 |
| Apr 2026 | 83.6% | 3,713 |
| May 2026 | 82.2% | 3,860 |
| Jun 2026 | 79.4% | 3,876 |
| Jul 2026 | 77.9% | 4,002 |
| Aug 2026 | 75.6% | 3,856 |
Busiest routes from CMH
| To | On time | Cancelled | Airlines | Flights |
|---|---|---|---|---|
| Chicago (ORD) | 73.3% | 2.7% | 6 | 4,988 |
| Atlanta (ATL) | 83.3% | 1.4% | 3 | 3,129 |
| New York (LGA) | 75.1% | 4.8% | 3 | 3,035 |
| Orlando (MCO) | 75.9% | 1.5% | 4 | 2,121 |
| Newark (EWR) | 79.0% | 4.4% | 3 | 2,087 |
| Washington (DCA) | 66.4% | 3.8% | 4 | 2,051 |
| Charlotte (CLT) | 82.6% | 1.8% | 4 | 2,042 |
| Boston (BOS) | 80.4% | 2.3% | 3 | 2,005 |
| Denver (DEN) | 78.4% | 0.6% | 3 | 1,776 |
| Dallas/Fort Worth (DFW) | 78.7% | 2.0% | 4 | 1,727 |
| New York (JFK) | 79.7% | 4.7% | 1 | 1,570 |
| Detroit (DTW) | 84.9% | 0.8% | 3 | 1,508 |
| Philadelphia (PHL) | 78.6% | 3.5% | 3 | 1,437 |
| Chicago (MDW) | 78.2% | 1.6% | 1 | 1,237 |
| Miami (MIA) | 84.2% | 0.3% | 4 | 1,181 |
| Phoenix (PHX) | 81.4% | 1.3% | 2 | 1,141 |
| Nashville (BNA) | 82.1% | 0.6% | 1 | 1,046 |
| Baltimore (BWI) | 85.5% | 1.5% | 1 | 1,044 |
| Washington (IAD) | 84.2% | 0.9% | 2 | 935 |
| Tampa (TPA) | 82.7% | 1.2% | 1 | 906 |
Sources & data dates
- Source
- U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
- Period
- September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
- Data through
- August 2026
- Processed
- 2026-11-03
- Scope
- Scheduled nonstop domestic departures from Columbus, OH (CMH) by airlines that report to the DOT.
- Method
- Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.