United Airlines SFO to ATL on-time performance
United Airlines nonstop flights from San Francisco to Atlanta · Aug 2025 – Jul 2026
On-time arrivals
85%
arrived < 15 min late
Cancelled
0.2%
1 flights
Avg arrival delay
9 min
52 min when late
Rank on route
#1 of 3
route average 80% on time
Key facts
- United Airlines flights on SFO to ATL arrived on time 85% of the time in Aug 2025 – Jul 2026.
- 0.2% were cancelled, and 4% arrived an hour or more late.
- That ranks #1 of 3 airlines on this route, which averaged 80% on time overall.
- The largest source of delay minutes was late-arriving aircraft (42%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft42%
- Airline (crew, maintenance, cleaning, fueling)41%
- Air traffic control & airport congestion15%
- Extreme weather1%
- Security0%
Other airlines on SFO to ATL
- Delta Air Lines82% on time · 14 min avg delay
- Frontier Airlines60% on time · 31 min avg delay
Full SFO to ATL comparison →
United Airlines on-time record across all routes →
637 United Airlines flights tracked on this route; 1 cancelled, 1 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.