Houston (IAH) to Tucson (TUS) flights
Mesa Airlines flies nonstop from George Bush Intercontinental Airport to Tucson International Airport, with about 14 flights a week in July 2026. The 937-mile flight takes about 2h 36m gate to gate.
- Distance
- 937 mi · 1,508 km
- Flight time
- 2h 36m
- Airlines
- 1
- Seats filled
- 79%
Airlines flying IAH to TUS
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Mesa Airlines | 14 | Embraer E175 | 31,241 | 2h 34m |
| United AirlinesSeasonal or ended | n/a | Boeing 737-900, Airbus A319, Boeing 737-700 / MAX 7 | 21,894 | 2h 42m |
| SkyWest AirlinesSeasonal or ended | n/a | Embraer E175, Bombardier CRJ200 | 584 | 2h 51m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
IAH to TUS flight schedule
4 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 9:32am and the last at 8:28pm. 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 6219United Airlines · operated by Mesa Airlines | 9:32am | 10:07am | 10 | 84% |
| UA 6195United Airlines · operated by Mesa Airlines | 9:40am | 10:20am | 21 | 100% |
| UA 4040United Airlines · operated by Mesa Airlines | 8:00pm | 8:42pm | 10 | 85% |
| UA 5467United Airlines · operated by SkyWest Airlines | 8:28pm | 9:14pm | 21 | 81% |
Is IAH to TUS on time?
From September 2025 to August 2026, 86% of 719 flights arrived within 15 minutes of schedule and 0.7% were cancelled. Flights leaving around 9am were the most punctual (91%), those around 7pm the least (80%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (47%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 719 | 86% | 9 min | 0.7% |
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 |
|---|---|---|---|
| 9am to 10am | 303 | 91% | |
| 10am to 11am | 57 | 91% | |
| 7pm to 8pm | 106 | 80% | |
| 8pm to 9pm | 244 | 82% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 62 | 3,904 | |
| September 2025 | 62 | 4,088 | |
| October 2025 | 63 | 5,203 | |
| November 2025 | 58 | 3,211 | |
| December 2025 | 62 | 3,680 | |
| January 2026 | 58 | 4,446 | |
| February 2026 | 54 | 5,265 | |
| March 2026 | 58 | 5,977 | |
| April 2026 | 61 | 5,565 | |
| May 2026 | 62 | 4,765 | |
| June 2026 | 60 | 3,770 | |
| July 2026 | 61 | 3,845 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.