Delta Air Lines SAN to ATL on-time performance
Delta Air Lines nonstop flights from San Diego to Atlanta · Aug 2025 – Jul 2026
On-time arrivals
87%
arrived < 15 min late
Cancelled
0.7%
15 flights
Avg arrival delay
11 min
73 min when late
Rank on route
#1 of 2
route average 86% on time
Key facts
- Delta Air Lines flights on SAN to ATL arrived on time 87% of the time in Aug 2025 – Jul 2026.
- 0.7% were cancelled, and 4% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 86% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (48%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)48%
- Late-arriving aircraft26%
- Air traffic control & airport congestion19%
- Extreme weather7%
- Security0%
Other airlines on SAN to ATL
- Alaska Airlines78% on time · 14 min avg delay
Full SAN to ATL comparison →
Delta Air Lines on-time record across all routes →
2,167 Delta Air Lines flights tracked on this route; 15 cancelled, 6 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.