Houston (IAH) to Columbus (CMH) flights
Mesa Airlines, United Airlines fly nonstop from George Bush Intercontinental Airport to John Glenn Columbus International Airport, with about 20 flights a week in July 2026. The 986-mile flight takes about 2h 38m gate to gate.
- Distance
- 986 mi · 1,587 km
- Flight time
- 2h 38m
- Airlines
- 2
- Seats filled
- 76%
Airlines flying IAH to CMH
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Mesa Airlines | 14 | Embraer E175 | 27,421 | 2h 37m |
| United Airlines | 6 | Boeing 737-700 / MAX 7, Airbus A319, Boeing 737-800 | 55,262 | 2h 39m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
IAH to CMH flight schedule
5 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 7:20am and the last at 7:56pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| UA 2840United Airlines | 7:20am | 11:03am | 12 | 100% |
| UA 6271United Airlines · operated by Mesa Airlines | 7:20am | 11:02am | 8 | 86% |
| UA 722United Airlines | 12:13pm | 4:02pm | 18 | 84% |
| UA 4072United Airlines · operated by Mesa Airlines | 12:15pm | 4:05pm | 10 | 78% |
| UA 2086United Airlines | 7:56pm | 11:44pm | 29 | 74% |
Is IAH to CMH on time?
From September 2025 to August 2026, 82% of 991 flights arrived within 15 minutes of schedule and 1% were cancelled. Flights leaving around 7am were the most punctual (86%), those around 8pm the least (57%). Most delay time was caused by late-arriving aircraft (46%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 991 | 82% | 11 min | 1% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 7am to 8am | 268 | 86% | |
| 12pm to 1pm | 364 | 85% | |
| 6pm to 7pm | 241 | 80% | |
| 7pm to 8pm | 39 | 77% | |
| 8pm to 9pm | 77 | 57% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 83 | 8,778 | |
| September 2025 | 76 | 6,893 | |
| October 2025 | 88 | 7,629 | |
| November 2025 | 80 | 6,438 | |
| December 2025 | 78 | 5,860 | |
| January 2026 | 76 | 5,778 | |
| February 2026 | 73 | 5,371 | |
| March 2026 | 80 | 7,205 | |
| April 2026 | 86 | 7,030 | |
| May 2026 | 89 | 7,030 | |
| June 2026 | 87 | 7,561 | |
| July 2026 | 88 | 7,610 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.