Route Reliability
Atlanta → San Diego
ATL–SAN · 1,892 miles · Hartsfield–Jackson Atlanta International Airport to San Diego International Airport
- 78%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 0.7%
- Cancelled
- 2,461
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Alaska Airlines83%271 flights
- 2.Delta Air Lines78%2,190 flights
What the data says
Morning flights do better here.
ATL–SAN flights departing between 6–9 AM arrived on time 86% of the time, versus 71% between 9 PM–12 AM.
Sunday scaries are real for this one.
ATL–SAN flights arrived on time 85% of the time on Wednesdays. On Sundays: 75%.
Alaska Airlines has a slight edge here.
Alaska Airlines arrived on time 83% of the time on this route; Delta Air Lines managed 78%.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon78%(364 flights)
- Tue80%(335 flights)
- Wed85%(336 flights)
- Thu76%(350 flights)
- Fri76%(356 flights)
- Sat79%(320 flights)
- Sun75%(367 flights)
- 6–9 AM86%(359 flights)
- 9 AM–12 PM81%(389 flights)
- 12–3 PM82%(301 flights)
- 3–6 PM77%(641 flights)
- 6–9 PM72%(526 flights)
- 9 PM–12 AM71%(212 flights)
Jun 65% → May 78% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 65% | 224 |
| July 2025 | 72% | 227 |
| August 2025 | 80% | 228 |
| September 2025 | 81% | 213 |
| October 2025 | 80% | 229 |
| November 2025 | 83% | 214 |
| December 2025 | 76% | 210 |
| January 2026 | 79% | 173 |
| February 2026 | 84% | 164 |
| March 2026 | 86% | 183 |
| April 2026 | 81% | 178 |
| May 2026 | 78% | 185 |
Keep nerding
Based on 2,461 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.