OnTimeRoutes
A

Southwest Airlines SNA to SJC on-time performance

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

On-time arrivals
87%
arrived < 15 min late
Cancelled
0.7%
20 flights
Avg arrival delay
7 min
45 min when late
Rank on route
#1 of 1
route average 87% on time

Key facts

  • Southwest Airlines flights on SNA to SJC arrived on time 87% of the time in Aug 2025 – Jul 2026.
  • 0.7% were cancelled, and 3% arrived an hour or more late.
  • That ranks #1 of 1 airlines on this route, which averaged 87% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (76%).

On-time trend by month

60%80%100%July 2025: 81.7% on time, 1.8% cancelledJul ’25August 2025: 89.0% on time, 0.5% cancelledAug ’25September 2025: 87.4% on time, 0.0% cancelledSep ’25October 2025: 84.1% on time, 0.9% cancelledOct ’25November 2025: 85.3% on time, 0.9% cancelledNov ’25December 2025: 86.3% on time, 0.4% cancelledDec ’25January 2026: 94.8% on time, 0.0% cancelledJan ’26February 2026: 85.6% on time, 1.4% cancelledFeb ’26March 2026: 88.1% on time, 0.4% cancelledMar ’26April 2026: 86.5% on time, 0.9% cancelledApr ’26May 2026: 89.4% on time, 0.9% cancelledMay ’26June 2026: 78.2% on time, 1.8% cancelledJun ’26July 2026: 83.9% on time, 0.9% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft76%
  • Airline (crew, maintenance, cleaning, fueling)20%
  • Air traffic control & airport congestion3%
  • Security0%
  • Extreme weather0%

Other airlines on SNA to SJC

2,676 Southwest Airlines flights tracked on this route; 20 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.