Alaska Airlines EWR to SFO on-time performance
Alaska Airlines nonstop flights from Newark to San Francisco · Aug 2025 – Jul 2026
On-time arrivals
78%
arrived < 15 min late
Cancelled
1.1%
6 flights
Avg arrival delay
15 min
61 min when late
Rank on route
#1 of 2
route average 69% on time
Key facts
- Alaska Airlines flights on EWR to SFO arrived on time 78% of the time in Aug 2025 – Jul 2026.
- 1.1% were cancelled, and 7% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 69% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (37%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion37%
- Late-arriving aircraft37%
- Airline (crew, maintenance, cleaning, fueling)19%
- Extreme weather5%
- Security1%
Other airlines on EWR to SFO
- United Airlines68% on time · 31 min avg delay
Full EWR to SFO comparison →
Alaska Airlines on-time record across all routes →
548 Alaska Airlines flights tracked on this route; 6 cancelled, 4 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.