OnTimeRoutes
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SkyWest Airlines STS to SAN on-time performance

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

On-time arrivals
75%
arrived < 15 min late
Cancelled
3.5%
29 flights
Avg arrival delay
16 min
60 min when late
Rank on route
#2 of 2
route average 75% on time

Key facts

  • SkyWest Airlines flights on STS to SAN arrived on time 75% of the time in Aug 2025 – Jul 2026.
  • 3.5% were cancelled, and 8% arrived an hour or more late.
  • That ranks #2 of 2 airlines on this route, which averaged 75% on time overall.
  • The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (34%).

On-time trend by month

50%75%100%July 2025: 85.2% on time, 0.0% cancelledJul ’25August 2025: 77.5% on time, 0.0% cancelledAug ’25September 2025: 72.2% on time, 2.5% cancelledSep ’25October 2025: 80.5% on time, 4.7% cancelledOct ’25November 2025: 75.0% on time, 9.1% cancelledNov ’25December 2025: 63.0% on time, 9.6% cancelledDec ’25January 2026: 78.0% on time, 5.6% cancelledJan ’26February 2026: 65.9% on time, 0.0% cancelledFeb ’26March 2026: 76.8% on time, 0.0% cancelledMar ’26April 2026: 73.7% on time, 0.0% cancelledApr ’26May 2026: 74.7% on time, 1.3% cancelledMay ’26June 2026: 76.5% on time, 1.4% cancelledJun ’26July 2026: 77.2% on time, 8.1% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Airline (crew, maintenance, cleaning, fueling)34%
  • Late-arriving aircraft33%
  • Air traffic control & airport congestion26%
  • Extreme weather7%
  • Security0%

Other airlines on STS to SAN

828 SkyWest Airlines flights tracked on this route; 29 cancelled, 2 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.