Sacramento (SMF) to Houston (IAH) flights
United Airlines flies nonstop from Sacramento International Airport to George Bush Intercontinental Airport, with about 14 flights a week in July 2026. The 1,609-mile flight takes about 3h 41m gate to gate.
- Distance
- 1,609 mi · 2,589 km
- Flight time
- 3h 41m
- Airlines
- 1
- Seats filled
- 84%
Airlines flying SMF to IAH
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 14 | Boeing 737 MAX 9, Boeing 737-900, Boeing 737-800 | 96,463 | 3h 41m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SMF to IAH flight schedule
3 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 5:15am and the last at 1:10pm. 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 2863United Airlines | 5:15am | 11:01am | 22 | 94% |
| UA 1769United Airlines | 7:30am | 1:16pm | 9 | n/a |
| UA 1949United Airlines | 1:10pm | 7:03pm | 22 | 88% |
Is SMF to IAH on time?
From September 2025 to August 2026, 92% of 670 flights arrived within 15 minutes of schedule and 0.1% were cancelled. Flights leaving around 5am were the most punctual (94%), those around 1pm the least (84%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (42%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 670 | 92% | 7 min | 0.1% |
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 |
|---|---|---|---|
| 5am to 6am | 306 | 94% | |
| 7am to 8am | 56 | 93% | |
| 11am to 12pm | 169 | 92% | |
| 1pm to 2pm | 139 | 84% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 59 | 7,476 | |
| September 2025 | 59 | 7,207 | |
| October 2025 | 54 | 7,990 | |
| November 2025 | 60 | 8,906 | |
| December 2025 | 46 | 7,149 | |
| January 2026 | 53 | 6,914 | |
| February 2026 | 51 | 7,070 | |
| March 2026 | 54 | 7,412 | |
| April 2026 | 56 | 8,358 | |
| May 2026 | 62 | 8,830 | |
| June 2026 | 60 | 9,680 | |
| July 2026 | 61 | 9,639 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.