Chicago (ORD) to Sacramento (SMF) flights
United Airlines, American Airlines fly nonstop from Chicago O'Hare International Airport to Sacramento International Airport, with about 30 flights a week in July 2026. The 1,781-mile flight takes about 4h 35m gate to gate.
- Distance
- 1,781 mi · 2,866 km
- Flight time
- 4h 35m
- Airlines
- 2
- Seats filled
- 85%
Airlines flying ORD to SMF
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 20 | Boeing 737-800, Boeing 737-900ER, Boeing 737 MAX 9 | 143,770 | 4h 37m |
| American Airlines | 11 | Boeing 737-800, Airbus A321, Boeing 737 MAX 8 | 48,794 | 4h 28m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
ORD to SMF flight schedule
5 flight numbers flew this route in August 2026, 4 of them almost daily. The first usually leaves at 9:09am and the last at 8:10pm. 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 2145United Airlines | 9:09am | 11:51am | 31 | 80% |
| AA 1906American Airlines | 11:56am | 2:23pm | 27 | 54% |
| UA 1920United Airlines | 3:40pm | 6:18pm | 31 | 63% |
| UA 1828United Airlines | 7:53pm | 10:39pm | 10 | 60% |
| UA 734United Airlines | 8:10pm | 10:48pm | 21 | 52% |
Is ORD to SMF on time?
From September 2025 to August 2026, 67% of 1,347 flights arrived within 15 minutes of schedule and 1.6% were cancelled. Flights leaving around 9am were the most punctual (82%), those around 8pm the least (56%). Most delay time was caused by late-arriving aircraft (49%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 991 | 69% | 21 min | 1.4% |
| American Airlines | 356 | 62% | 25 min | 2.2% |
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 |
|---|---|---|---|
| 8am to 9am | 44 | 86% | |
| 9am to 10am | 365 | 82% | |
| 11am to 12pm | 122 | 66% | |
| 12pm to 1pm | 58 | 72% | |
| 3pm to 4pm | 33 | 52% | |
| 4pm to 5pm | 282 | 64% | |
| 7pm to 8pm | 173 | 59% | |
| 8pm to 9pm | 210 | 56% | |
| 9pm to 10pm | 57 | 43% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 121 | 17,045 | |
| September 2025 | 117 | 17,121 | |
| October 2025 | 122 | 18,642 | |
| November 2025 | 88 | 13,263 | |
| December 2025 | 75 | 11,447 | |
| January 2026 | 67 | 8,961 | |
| February 2026 | 57 | 7,752 | |
| March 2026 | 110 | 15,568 | |
| April 2026 | 146 | 19,241 | |
| May 2026 | 150 | 22,034 | |
| June 2026 | 134 | 20,699 | |
| July 2026 | 135 | 20,791 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.