United Airlines DTW to SFO on-time performance
United Airlines nonstop flights from Detroit to San Francisco · Aug 2025 – Jul 2026
On-time arrivals
71%
arrived < 15 min late
Cancelled
0.7%
3 flights
Avg arrival delay
25 min
82 min when late
Rank on route
#1 of 2
route average 67% on time
Key facts
- United Airlines flights on DTW to SFO arrived on time 71% of the time in Aug 2025 – Jul 2026.
- 0.7% were cancelled, and 12% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 67% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (39%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion39%
- Airline (crew, maintenance, cleaning, fueling)32%
- Late-arriving aircraft26%
- Extreme weather3%
- Security0%
Other airlines on DTW to SFO
- Delta Air Lines66% on time · 22 min avg delay
Full DTW to SFO comparison →
United Airlines on-time record across all routes →
408 United Airlines flights tracked on this route; 3 cancelled, 0 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.