OnTimeRoutes
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SkyWest Airlines SFO to SAN on-time performance

SkyWest Airlines nonstop flights from San Francisco to San Diego · Aug 2025 – Jul 2026Regional airline operating flights for United Express, Delta Connection, American Eagle and Alaska.

On-time arrivals
64%
arrived < 15 min late
Cancelled
2.2%
33 flights
Avg arrival delay
22 min
57 min when late
Rank on route
#3 of 5
route average 65% on time

Key facts

  • SkyWest Airlines flights on SFO to SAN arrived on time 64% of the time in Aug 2025 – Jul 2026.
  • 2.2% were cancelled, and 12% arrived an hour or more late.
  • That ranks #3 of 5 airlines on this route, which averaged 65% on time overall.
  • The largest source of delay minutes was air traffic control & airport congestion (53%).

On-time trend by month

20%60%100%July 2025: 70.1% on time, 0.6% cancelledJul ’25August 2025: 64.8% on time, 0.0% cancelledAug ’25September 2025: 76.1% on time, 2.2% cancelledSep ’25October 2025: 73.3% on time, 2.3% cancelledOct ’25November 2025: 59.8% on time, 8.0% cancelledNov ’25December 2025: 60.0% on time, 1.1% cancelledDec ’25January 2026: 83.7% on time, 3.3% cancelledJan ’26February 2026: 74.3% on time, 1.3% cancelledFeb ’26March 2026: 77.5% on time, 3.3% cancelledMar ’26April 2026: 36.6% on time, 0.0% cancelledApr ’26May 2026: 39.6% on time, 1.0% cancelledMay ’26June 2026: 50.8% on time, 1.6% cancelledJun ’26July 2026: 58.2% on time, 2.2% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Air traffic control & airport congestion53%
  • Late-arriving aircraft31%
  • Airline (crew, maintenance, cleaning, fueling)15%
  • Extreme weather1%
  • Security0%

Other airlines on SFO to SAN

Full SFO to SAN comparison →
SkyWest Airlines on-time record across all routes →

1,477 SkyWest Airlines flights tracked on this route; 33 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.