United Airlines EWR to SFO on-time performance
United Airlines nonstop flights from Newark to San Francisco · Aug 2025 – Jul 2026
On-time arrivals
68%
arrived < 15 min late
Cancelled
2.5%
95 flights
Avg arrival delay
31 min
93 min when late
Rank on route
#2 of 2
route average 69% on time
Key facts
- United Airlines flights on EWR to SFO arrived on time 68% of the time in Aug 2025 – Jul 2026.
- 2.5% were cancelled, and 14% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 69% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (37%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)37%
- Late-arriving aircraft30%
- Air traffic control & airport congestion29%
- Extreme weather4%
- Security0%
Other airlines on EWR to SFO
- Alaska Airlines78% on time · 15 min avg delay
Full EWR to SFO comparison →
United Airlines on-time record across all routes →
3,825 United Airlines flights tracked on this route; 95 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.