San Antonio (SAT) to Chicago (ORD) flights
United Airlines, American Airlines, Envoy Air fly nonstop from San Antonio International Airport to Chicago O'Hare International Airport, with about 39 flights a week in July 2026. The 1,041-mile flight takes about 2h 55m gate to gate.
- Distance
- 1,041 mi · 1,675 km
- Flight time
- 2h 55m
- Airlines
- 3
- Seats filled
- 78%
Airlines flying SAT to ORD
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 19 | Boeing 737-800, Boeing 737-700 / MAX 7, Airbus A320-100/200 | 101,043 | 2h 54m |
| American Airlines | 13 | Airbus A319, Airbus A320-100/200, Boeing 737-800 | 47,572 | 2h 52m |
| Envoy Air | 7 | Embraer E175, Embraer E170 | 23,940 | 2h 56m |
| SkyWest AirlinesSeasonal or ended | n/a | Embraer E175 | 6,081 | 3h 6m |
| Republic AirlineSeasonal or ended | n/a | Embraer E175 | 6,548 | 2h 55m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SAT to ORD flight schedule
8 flight numbers flew this route in August 2026, 6 of them almost daily. The first usually leaves at 6:30am and the last at 6:52pm. 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 1332United Airlines | 6:30am | 9:29am | 31 | 87% |
| AA 632American Airlines | 7:28am | 10:35am | 31 | 85% |
| UA 2801United Airlines | 12:55pm | 3:55pm | 21 | 76% |
| UA 2824United Airlines | 1:25pm | 4:27pm | 10 | 76% |
| AA 2738American Airlines | 1:33pm | 4:39pm | 27 | 48% |
| UA 697United Airlines | 5:27pm | 8:27pm | 21 | 63% |
| UA 1316United Airlines | 5:32pm | 8:33pm | 8 | 55% |
| AA 4176American Airlines · operated by Envoy Air | 6:52pm | 10:05pm | 27 | 75% |
Is SAT to ORD on time?
From September 2025 to August 2026, 76% of 2,004 flights arrived within 15 minutes of schedule and 2.1% were cancelled. Flights leaving around 6am were the most punctual (88%), those around 5pm the least (64%). Most delay time was caused by late-arriving aircraft (45%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| American Airlines | 1,011 | 75% | 20 min | 2.7% |
| United Airlines | 993 | 78% | 20 min | 1.6% |
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 | 58 | 86% | |
| 6am to 7am | 477 | 88% | |
| 7am to 8am | 177 | 84% | |
| 12pm to 1pm | 47 | 81% | |
| 1pm to 2pm | 398 | 73% | |
| 2pm to 3pm | 241 | 76% | |
| 5pm to 6pm | 355 | 64% | |
| 6pm to 7pm | 229 | 69% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 147 | 13,845 | |
| September 2025 | 150 | 13,686 | |
| October 2025 | 179 | 17,928 | |
| November 2025 | 153 | 15,065 | |
| December 2025 | 158 | 13,925 | |
| January 2026 | 138 | 12,515 | |
| February 2026 | 145 | 12,728 | |
| March 2026 | 170 | 15,260 | |
| April 2026 | 168 | 16,720 | |
| May 2026 | 178 | 17,750 | |
| June 2026 | 166 | 18,103 | |
| July 2026 | 172 | 17,659 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.