Cincinnati / Covington (CVG) to Houston (IAH) flights
United Airlines, Mesa Airlines fly nonstop from Cincinnati Northern Kentucky International Airport to George Bush Intercontinental Airport, with about 21 flights a week in July 2026. The 871-mile flight takes about 2h 37m gate to gate.
- Distance
- 871 mi · 1,402 km
- Flight time
- 2h 37m
- Airlines
- 2
- Seats filled
- 78%
Airlines flying CVG to IAH
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 12 | Boeing 737-800, Airbus A319, Boeing 737-700 / MAX 7 | 73,729 | 2h 38m |
| Mesa Airlines | 9 | Embraer E175 | 23,341 | 2h 36m |
| Frontier AirlinesSeasonal or ended | n/a | Airbus A320neo, Airbus A321, Airbus A320-100/200 | 3,725 | 2h 43m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
CVG to IAH flight schedule
5 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 6:35am and the last at 5:14pm. 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 2442United Airlines | 6:35am | 8:12am | 28 | 91% |
| UA 6367United Airlines · operated by Mesa Airlines | 12:00pm | 1:40pm | 22 | 87% |
| UA 738United Airlines | 5:00pm | 6:40pm | 10 | 65% |
| UA 3982United Airlines · operated by Mesa Airlines | 5:14pm | 6:57pm | 6 | n/a |
| UA 447United Airlines | 5:14pm | 6:51pm | 15 | 79% |
Is CVG to IAH on time?
From September 2025 to August 2026, 84% of 1,044 flights arrived within 15 minutes of schedule and 0.9% were cancelled. Flights leaving around 7am were the most punctual (91%), those around 4pm the least (75%). Most delay time was caused by air traffic control and airport congestion (34%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 1,018 | 85% | 12 min | 0.9% |
| Frontier Airlines | 26 | 65% | 21 min | 0% |
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 | 272 | 91% | |
| 7am to 8am | 91 | 91% | |
| 11am to 12pm | 281 | 88% | |
| 12pm to 1pm | 29 | 83% | |
| 4pm to 5pm | 73 | 75% | |
| 5pm to 6pm | 286 | 76% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 91 | 8,113 | |
| September 2025 | 85 | 8,400 | |
| October 2025 | 97 | 10,057 | |
| November 2025 | 98 | 9,224 | |
| December 2025 | 74 | 7,449 | |
| January 2026 | 72 | 6,318 | |
| February 2026 | 73 | 7,380 | |
| March 2026 | 91 | 8,873 | |
| April 2026 | 90 | 8,356 | |
| May 2026 | 92 | 9,440 | |
| June 2026 | 90 | 8,882 | |
| July 2026 | 92 | 8,970 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.