OnTimeRoutes
B

SkyWest Airlines SAN to SMF on-time performance

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

On-time arrivals
80%
arrived < 15 min late
Cancelled
1.5%
17 flights
Avg arrival delay
11 min
49 min when late
Rank on route
#1 of 3
route average 76% on time

Key facts

  • SkyWest Airlines flights on SAN to SMF arrived on time 80% of the time in Aug 2025 – Jul 2026.
  • 1.5% were cancelled, and 5% arrived an hour or more late.
  • That ranks #1 of 3 airlines on this route, which averaged 76% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (55%).

On-time trend by month

50%75%100%July 2025: 68.1% on time, 0.0% cancelledJul ’25August 2025: 77.6% on time, 0.9% cancelledAug ’25September 2025: 85.2% on time, 2.2% cancelledSep ’25October 2025: 67.4% on time, 0.0% cancelledOct ’25November 2025: 79.1% on time, 7.1% cancelledNov ’25December 2025: 71.7% on time, 1.9% cancelledDec ’25January 2026: 85.0% on time, 3.6% cancelledJan ’26February 2026: 78.3% on time, 0.0% cancelledFeb ’26March 2026: 86.9% on time, 0.8% cancelledMar ’26April 2026: 93.8% on time, 0.0% cancelledApr ’26May 2026: 78.4% on time, 0.9% cancelledMay ’26June 2026: 80.6% on time, 0.0% cancelledJun ’26July 2026: 75.8% on time, 1.1% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft55%
  • Air traffic control & airport congestion23%
  • Airline (crew, maintenance, cleaning, fueling)18%
  • Extreme weather5%
  • Security0%

Other airlines on SAN to SMF

1,158 SkyWest Airlines flights tracked on this route; 17 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.