Houston (IAH) to Sacramento (SMF) flights
United Airlines flies nonstop from George Bush Intercontinental Airport to Sacramento International Airport, with about 14 flights a week in July 2026. The 1,609-mile flight takes about 4h 6m gate to gate.
- Distance
- 1,609 mi · 2,589 km
- Flight time
- 4h 6m
- Airlines
- 1
- Seats filled
- 85%
Airlines flying IAH to SMF
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 14 | Boeing 737-900, Boeing 737 MAX 9, Boeing 737-800 | 95,723 | 4h 6m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
IAH to SMF flight schedule
3 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 9:55am and the last at 8:20pm. 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 1155United Airlines | 9:55am | 12:04pm | 21 | 95% |
| UA 2773United Airlines | 10:00am | 12:07pm | 10 | 94% |
| UA 1148United Airlines | 8:20pm | 10:29pm | 22 | 79% |
Is IAH to SMF on time?
From September 2025 to August 2026, 81% of 669 flights arrived within 15 minutes of schedule and 0.1% were cancelled. Flights leaving around 9am were the most punctual (90%), those around 8pm the least (77%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (43%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 669 | 81% | 10 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 |
|---|---|---|---|
| 9am to 10am | 97 | 90% | |
| 10am to 11am | 217 | 83% | |
| 7pm to 8pm | 144 | 78% | |
| 8pm to 9pm | 210 | 77% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 60 | 8,011 | |
| September 2025 | 58 | 7,349 | |
| October 2025 | 55 | 8,242 | |
| November 2025 | 60 | 8,706 | |
| December 2025 | 44 | 6,469 | |
| January 2026 | 53 | 6,891 | |
| February 2026 | 51 | 6,889 | |
| March 2026 | 54 | 7,072 | |
| April 2026 | 56 | 7,860 | |
| May 2026 | 62 | 9,289 | |
| June 2026 | 60 | 9,234 | |
| July 2026 | 61 | 9,711 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.