OnTimeRoutes
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Southwest Airlines SMF to LAX on-time performance

Southwest Airlines nonstop flights from Sacramento to Los Angeles · Aug 2025 – Jul 2026

On-time arrivals
77%
arrived < 15 min late
Cancelled
0.3%
5 flights
Avg arrival delay
12 min
48 min when late
Rank on route
#4 of 5
route average 85% on time

Key facts

  • Southwest Airlines flights on SMF to LAX arrived on time 77% of the time in Aug 2025 – Jul 2026.
  • 0.3% were cancelled, and 5% arrived an hour or more late.
  • That ranks #4 of 5 airlines on this route, which averaged 85% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (69%).

On-time trend by month

50%75%100%July 2025: 73.3% on time, 0.0% cancelledJul ’25August 2025: 83.5% on time, 0.0% cancelledAug ’25September 2025: 79.7% on time, 0.8% cancelledSep ’25October 2025: 75.2% on time, 0.0% cancelledOct ’25November 2025: 78.9% on time, 0.7% cancelledNov ’25December 2025: 75.2% on time, 0.0% cancelledDec ’25January 2026: 85.4% on time, 0.0% cancelledJan ’26February 2026: 79.8% on time, 0.0% cancelledFeb ’26March 2026: 79.6% on time, 0.0% cancelledMar ’26April 2026: 79.3% on time, 0.7% cancelledApr ’26May 2026: 70.7% on time, 0.0% cancelledMay ’26June 2026: 69.7% on time, 0.0% cancelledJun ’26July 2026: 69.8% on time, 1.2% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft69%
  • Airline (crew, maintenance, cleaning, fueling)21%
  • Air traffic control & airport congestion9%
  • Extreme weather1%
  • Security0%

Other airlines on SMF to LAX

Full SMF to LAX comparison →
Southwest Airlines on-time record across all routes →

1,631 Southwest Airlines flights tracked on this route; 5 cancelled, 1 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.