Houston (IAH) to Salt Lake City (SLC) flights
Delta Air Lines, United Airlines, Mesa Airlines fly nonstop from George Bush Intercontinental Airport to Salt Lake City International Airport, with about 40 flights a week in July 2026. The 1,195-mile flight takes about 3h 16m gate to gate.
- Distance
- 1,195 mi · 1,923 km
- Flight time
- 3h 16m
- Airlines
- 3
- Seats filled
- 80%
Airlines flying IAH to SLC
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Delta Air Lines | 20 | Airbus A220-100, Airbus A319, Airbus A220-300 | 96,358 | 3h 14m |
| United Airlines | 13 | Boeing 737-800, Boeing 737-700 / MAX 7, Airbus A319 | 104,960 | 3h 16m |
| Mesa Airlines | 7 | Embraer E175 | 14,725 | 3h 17m |
| SkyWest AirlinesSeasonal or ended | n/a | Embraer E175, Bombardier CRJ200 | 3,990 | 3h 28m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
IAH to SLC flight schedule
8 flight numbers flew this route in August 2026, 5 of them almost daily. The first usually leaves at 7:30am and the last at 8:35pm. 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) |
|---|---|---|---|---|
| DL 1583Delta Air Lines | 7:30am | 9:43am | 31 | 86% |
| UA 756United Airlines | 9:45am | 11:59am | 5 | 85% |
| UA 2242United Airlines | 9:46am | 12:08pm | 18 | 86% |
| UA 6202United Airlines · operated by Mesa Airlines | 12:30pm | 2:53pm | 21 | 95% |
| UA 6207United Airlines · operated by Mesa Airlines | 2:25pm | 4:40pm | 8 | 81% |
| DL 1532Delta Air Lines | 2:28pm | 4:40pm | 30 | 84% |
| DL 1299Delta Air Lines | 7:06pm | 9:20pm | 25 | 80% |
| UA 2157United Airlines | 8:35pm | 10:58pm | 31 | 77% |
Is IAH to SLC on time?
From September 2025 to August 2026, 84% of 2,183 flights arrived within 15 minutes of schedule and 0.4% were cancelled. Flights leaving around 11am were the most punctual (87%), those around 8pm the least (76%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (42%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 1,167 | 84% | 11 min | 0.4% |
| Delta Air Lines | 1,016 | 83% | 16 min | 0.4% |
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 | 365 | 86% | |
| 9am to 10am | 364 | 87% | |
| 11am to 12pm | 167 | 87% | |
| 12pm to 1pm | 328 | 87% | |
| 2pm to 3pm | 167 | 82% | |
| 4pm to 5pm | 74 | 85% | |
| 6pm to 7pm | 89 | 86% | |
| 7pm to 8pm | 290 | 78% | |
| 8pm to 9pm | 287 | 76% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 173 | 17,428 | |
| September 2025 | 168 | 17,619 | |
| October 2025 | 177 | 17,566 | |
| November 2025 | 154 | 14,626 | |
| December 2025 | 208 | 21,711 | |
| January 2026 | 198 | 20,051 | |
| February 2026 | 183 | 19,618 | |
| March 2026 | 212 | 21,079 | |
| April 2026 | 175 | 17,269 | |
| May 2026 | 176 | 17,952 | |
| June 2026 | 172 | 17,694 | |
| July 2026 | 176 | 17,534 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.