Columbus (CMH) to Houston (IAH) flights
Mesa Airlines, United Airlines fly nonstop from John Glenn Columbus International Airport to George Bush Intercontinental Airport, with about 20 flights a week in July 2026. The 986-mile flight takes about 2h 52m gate to gate.
- Distance
- 986 mi · 1,587 km
- Flight time
- 2h 52m
- Airlines
- 2
- Seats filled
- 76%
Airlines flying CMH to IAH
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Mesa Airlines | 14 | Embraer E175 | 29,493 | 2h 54m |
| United Airlines | 6 | Boeing 737-700 / MAX 7, Airbus A319, Boeing 737-800 | 53,835 | 2h 51m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
CMH to IAH flight schedule
5 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 6:30am and the last at 5:03pm. 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 2205United Airlines | 6:30am | 8:19am | 29 | 84% |
| UA 4065United Airlines · operated by Mesa Airlines | 11:43am | 1:40pm | 8 | 79% |
| UA 1571United Airlines | 11:59am | 1:48pm | 12 | 100% |
| UA 4074United Airlines · operated by Mesa Airlines | 5:01pm | 7:04pm | 10 | 77% |
| UA 480United Airlines | 5:03pm | 6:54pm | 18 | 82% |
Is CMH to IAH on time?
From September 2025 to August 2026, 81% of 991 flights arrived within 15 minutes of schedule and 1.2% were cancelled. Flights leaving around 11am were the most punctual (85%), those around 5pm the least (74%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (34%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 991 | 81% | 16 min | 1.2% |
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 |
|---|---|---|---|
| 6am to 7am | 363 | 84% | |
| 11am to 12pm | 269 | 85% | |
| 4pm to 5pm | 208 | 77% | |
| 5pm to 6pm | 151 | 74% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 83 | 7,775 | |
| September 2025 | 77 | 6,775 | |
| October 2025 | 88 | 7,758 | |
| November 2025 | 80 | 6,803 | |
| December 2025 | 78 | 7,199 | |
| January 2026 | 76 | 5,589 | |
| February 2026 | 72 | 5,431 | |
| March 2026 | 79 | 7,646 | |
| April 2026 | 87 | 6,212 | |
| May 2026 | 88 | 6,949 | |
| June 2026 | 86 | 7,885 | |
| July 2026 | 88 | 7,774 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.