Atlanta (ATL) to San Diego (SAN) flights
Delta Air Lines flies nonstop from Hartsfield Jackson Atlanta International Airport to San Diego International Airport, with about 43 flights a week in July 2026. The 1,892-mile flight takes about 4h 33m gate to gate.
- Distance
- 1,892 mi · 3,045 km
- Flight time
- 4h 33m
- Airlines
- 1
- Seats filled
- 85%
Airlines flying ATL to SAN
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Delta Air Lines | 43 | Airbus A321, Boeing 757-200, Boeing 757-300 | 361,123 | 4h 32m |
| Alaska AirlinesSeasonal or ended | n/a | Boeing 737 MAX 9, Boeing 737-900ER, Boeing 737-800 | 27,421 | 4h 42m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
ATL to SAN flight schedule
7 flight numbers flew this route in August 2026, 6 of them almost daily. The first usually leaves at 8:05am and the last at 9:35pm. 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 725Delta Air Lines | 8:05am | 9:26am | 31 | 88% |
| DL 712Delta Air Lines | 9:48am | 11:07am | 31 | 80% |
| DL 540Delta Air Lines | 11:15am | 12:33pm | 31 | 73% |
| DL 843Delta Air Lines | 3:40pm | 5:04pm | 31 | 77% |
| DL 680Delta Air Lines | 6:10pm | 7:35pm | 31 | 63% |
| DL 819Delta Air Lines | 7:35pm | 8:58pm | 17 | 66% |
| DL 896Delta Air Lines | 9:35pm | 11:00pm | 31 | 77% |
Is ATL to SAN on time?
From September 2025 to August 2026, 78% of 2,353 flights arrived within 15 minutes of schedule and 0.6% were cancelled. Flights leaving around 8am were the most punctual (88%), those around 7pm the least (64%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (42%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 2,173 | 78% | 12 min | 0.7% |
| Alaska Airlines | 180 | 84% | 6 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 |
|---|---|---|---|
| 8am to 9am | 362 | 88% | |
| 9am to 10am | 61 | 88% | |
| 10am to 11am | 76 | 88% | |
| 11am to 12pm | 346 | 76% | |
| 1pm to 2pm | 85 | 82% | |
| 2pm to 3pm | 132 | 83% | |
| 3pm to 4pm | 184 | 74% | |
| 4pm to 5pm | 281 | 79% | |
| 5pm to 6pm | 88 | 75% | |
| 6pm to 7pm | 229 | 74% | |
| 7pm to 8pm | 179 | 64% | |
| 8pm to 9pm | 62 | 82% | |
| 9pm to 10pm | 267 | 75% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 228 | 37,951 | |
| September 2025 | 213 | 36,558 | |
| October 2025 | 229 | 37,746 | |
| November 2025 | 214 | 34,044 | |
| December 2025 | 210 | 33,740 | |
| January 2026 | 173 | 28,073 | |
| February 2026 | 164 | 27,029 | |
| March 2026 | 183 | 29,904 | |
| April 2026 | 178 | 28,286 | |
| May 2026 | 186 | 31,319 | |
| June 2026 | 177 | 30,740 | |
| July 2026 | 192 | 33,154 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.