OnTimeRoutes
C

United Airlines SFO to EWR on-time performance

United Airlines nonstop flights from San Francisco to Newark · Aug 2025 – Jul 2026

On-time arrivals
75%
arrived < 15 min late
Cancelled
2.2%
84 flights
Avg arrival delay
21 min
81 min when late
Rank on route
#2 of 2
route average 77% on time

Key facts

  • United Airlines flights on SFO to EWR arrived on time 75% of the time in Aug 2025 – Jul 2026.
  • 2.2% were cancelled, and 11% arrived an hour or more late.
  • That ranks #2 of 2 airlines on this route, which averaged 77% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (48%).

On-time trend by month

50%75%100%July 2025: 61.9% on time, 4.5% cancelledJul ’25August 2025: 67.3% on time, 3.4% cancelledAug ’25September 2025: 73.2% on time, 0.7% cancelledSep ’25October 2025: 76.5% on time, 1.2% cancelledOct ’25November 2025: 74.0% on time, 2.0% cancelledNov ’25December 2025: 67.8% on time, 0.7% cancelledDec ’25January 2026: 75.3% on time, 4.7% cancelledJan ’26February 2026: 78.6% on time, 7.0% cancelledFeb ’26March 2026: 76.2% on time, 1.6% cancelledMar ’26April 2026: 86.7% on time, 0.6% cancelledApr ’26May 2026: 81.5% on time, 1.2% cancelledMay ’26June 2026: 77.9% on time, 0.3% cancelledJun ’26July 2026: 68.2% on time, 3.8% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft48%
  • Airline (crew, maintenance, cleaning, fueling)26%
  • Air traffic control & airport congestion25%
  • Extreme weather0%
  • Security0%

Other airlines on SFO to EWR

3,822 United Airlines flights tracked on this route; 84 cancelled, 31 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.