Delta Air Lines ATL to SAN on-time performance
Delta Air Lines nonstop flights from Atlanta to San Diego · Aug 2025 – Jul 2026
On-time arrivals
79%
arrived < 15 min late
Cancelled
0.6%
14 flights
Avg arrival delay
11 min
46 min when late
Rank on route
#2 of 2
route average 79% on time
Key facts
- Delta Air Lines flights on ATL to SAN arrived on time 79% of the time in Aug 2025 – Jul 2026.
- 0.6% were cancelled, and 4% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 79% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (44%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)44%
- Air traffic control & airport congestion30%
- Late-arriving aircraft20%
- Extreme weather6%
- Security0%
Other airlines on ATL to SAN
- Alaska Airlines83% on time · 7 min avg delay
Full ATL to SAN comparison →
Delta Air Lines on-time record across all routes →
2,168 Delta Air Lines flights tracked on this route; 14 cancelled, 17 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.