OnTimeRoutes
C

Southwest Airlines PHX to LAX on-time performance

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

On-time arrivals
71%
arrived < 15 min late
Cancelled
0.4%
8 flights
Avg arrival delay
15 min
47 min when late
Rank on route
#7 of 7
route average 82% on time

Key facts

  • Southwest Airlines flights on PHX to LAX arrived on time 71% of the time in Aug 2025 – Jul 2026.
  • 0.4% were cancelled, and 6% arrived an hour or more late.
  • That ranks #7 of 7 airlines on this route, which averaged 82% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (50%).

On-time trend by month

40%70%100%July 2025: 78.4% on time, 1.8% cancelledJul ’25August 2025: 76.6% on time, 0.0% cancelledAug ’25September 2025: 76.3% on time, 0.0% cancelledSep ’25October 2025: 72.4% on time, 0.0% cancelledOct ’25November 2025: 72.5% on time, 1.8% cancelledNov ’25December 2025: 68.4% on time, 0.6% cancelledDec ’25January 2026: 82.3% on time, 0.0% cancelledJan ’26February 2026: 76.5% on time, 0.0% cancelledFeb ’26March 2026: 74.9% on time, 1.2% cancelledMar ’26April 2026: 71.9% on time, 0.0% cancelledApr ’26May 2026: 65.9% on time, 0.0% cancelledMay ’26June 2026: 52.5% on time, 1.4% cancelledJun ’26July 2026: 59.6% on time, 0.0% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft50%
  • Airline (crew, maintenance, cleaning, fueling)39%
  • Air traffic control & airport congestion8%
  • Extreme weather2%
  • Security1%

Other airlines on PHX to LAX

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

1,983 Southwest Airlines flights tracked on this route; 8 cancelled, 0 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.