San Antonio (SAT) to Atlanta (ATL) flights
Delta Air Lines, Southwest Airlines fly nonstop from San Antonio International Airport to Hartsfield Jackson Atlanta International Airport, with about 54 flights a week in July 2026. The 874-mile flight takes about 2h 17m gate to gate.
- Distance
- 874 mi · 1,407 km
- Flight time
- 2h 17m
- Airlines
- 2
- Seats filled
- 81%
Airlines flying SAT to ATL
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Delta Air Lines | 51 | Airbus A321, Airbus A320-100/200, Airbus A319 | 366,265 | 2h 17m |
| Southwest Airlines | 4 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 33,684 | 2h 11m |
| Frontier AirlinesSeasonal or ended | n/a | Airbus A320neo, Airbus A321 | 11,991 | 2h 28m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SAT to ATL flight schedule
9 flight numbers flew this route in August 2026, 7 of them almost daily. The first usually leaves at 5:20am and the last at 5:45pm. 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 1073Delta Air Lines | 5:20am | 8:46am | 31 | 94% |
| DL 1066Delta Air Lines | 6:25am | 9:52am | 31 | 93% |
| DL 998Delta Air Lines | 7:55am | 11:20am | 31 | 92% |
| DL 1676Delta Air Lines | 10:46am | 2:13pm | 31 | 87% |
| WN 2547Southwest Airlines | 11:30am | 2:50pm | 4 | n/a |
| DL 1121Delta Air Lines | 12:05pm | 3:40pm | 27 | 79% |
| WN 136Southwest Airlines | 2:05pm | 5:25pm | 12 | 58% |
| DL 1408Delta Air Lines | 2:43pm | 6:16pm | 31 | 80% |
| DL 2009Delta Air Lines | 5:45pm | 9:25pm | 31 | 78% |
Is SAT to ATL on time?
From September 2025 to August 2026, 86% of 2,962 flights arrived within 15 minutes of schedule and 1.7% were cancelled. Flights leaving around 8am were the most punctual (94%), those around 4pm the least (76%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (42%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 2,596 | 87% | 11 min | 1.9% |
| Southwest Airlines | 292 | 78% | 11 min | 0.3% |
| Frontier Airlines | 74 | 69% | 37 min | 0% |
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 | 365 | 94% | |
| 6am to 7am | 334 | 93% | |
| 7am to 8am | 147 | 89% | |
| 8am to 9am | 215 | 94% | |
| 10am to 11am | 300 | 87% | |
| 11am to 12pm | 116 | 88% | |
| 12pm to 1pm | 298 | 84% | |
| 1pm to 2pm | 217 | 80% | |
| 2pm to 3pm | 225 | 78% | |
| 3pm to 4pm | 100 | 73% | |
| 4pm to 5pm | 200 | 76% | |
| 5pm to 6pm | 193 | 82% | |
| 6pm to 7pm | 238 | 84% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 263 | 34,861 | |
| September 2025 | 260 | 35,810 | |
| October 2025 | 275 | 39,353 | |
| November 2025 | 244 | 32,918 | |
| December 2025 | 246 | 35,638 | |
| January 2026 | 207 | 28,033 | |
| February 2026 | 217 | 29,415 | |
| March 2026 | 253 | 34,756 | |
| April 2026 | 246 | 33,819 | |
| May 2026 | 245 | 36,463 | |
| June 2026 | 238 | 35,942 | |
| July 2026 | 241 | 34,932 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.