Delta Air Lines ATL to SFO on-time performance
Delta Air Lines nonstop flights from Atlanta to San Francisco · Aug 2025 – Jul 2026
On-time arrivals
69%
arrived < 15 min late
Cancelled
0.7%
16 flights
Avg arrival delay
18 min
55 min when late
Rank on route
#2 of 3
route average 70% on time
Key facts
- Delta Air Lines flights on ATL to SFO arrived on time 69% of the time in Aug 2025 – Jul 2026.
- 0.7% were cancelled, and 9% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 70% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (44%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion44%
- Airline (crew, maintenance, cleaning, fueling)41%
- Late-arriving aircraft10%
- Extreme weather4%
- Security0%
Other airlines on ATL to SFO
- United Airlines77% on time · 17 min avg delay
- Frontier Airlines65% on time · 23 min avg delay
Full ATL to SFO comparison →
Delta Air Lines on-time record across all routes →
2,409 Delta Air Lines flights tracked on this route; 16 cancelled, 5 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.