OnTimeRoutes
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Southwest Airlines SJC to SNA on-time performance

Southwest Airlines nonstop flights from San Jose to Santa Ana · Aug 2025 – Jul 2026

On-time arrivals
87%
arrived < 15 min late
Cancelled
0.8%
22 flights
Avg arrival delay
7 min
46 min when late
Rank on route
#1 of 2
route average 86% on time

Key facts

  • Southwest Airlines flights on SJC to SNA arrived on time 87% of the time in Aug 2025 – Jul 2026.
  • 0.8% were cancelled, and 3% arrived an hour or more late.
  • That ranks #1 of 2 airlines on this route, which averaged 86% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (66%).

On-time trend by month

60%80%100%July 2025: 89.2% on time, 1.8% cancelledJul ’25August 2025: 87.1% on time, 0.5% cancelledAug ’25September 2025: 83.6% on time, 0.9% cancelledSep ’25October 2025: 87.1% on time, 0.9% cancelledOct ’25November 2025: 86.8% on time, 0.5% cancelledNov ’25December 2025: 78.8% on time, 0.9% cancelledDec ’25January 2026: 94.3% on time, 0.5% cancelledJan ’26February 2026: 90.5% on time, 0.5% cancelledFeb ’26March 2026: 91.0% on time, 0.8% cancelledMar ’26April 2026: 84.2% on time, 1.3% cancelledApr ’26May 2026: 91.7% on time, 0.4% cancelledMay ’26June 2026: 80.2% on time, 0.9% cancelledJun ’26July 2026: 86.3% on time, 1.7% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft66%
  • Airline (crew, maintenance, cleaning, fueling)28%
  • Air traffic control & airport congestion6%
  • Extreme weather0%
  • Security0%

Other airlines on SJC to SNA

Full SJC to SNA comparison →
Southwest Airlines on-time record across all routes →

2,677 Southwest Airlines flights tracked on this route; 22 cancelled, 8 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.