Southwest Airlines SLC to SJC on-time performance
Southwest Airlines nonstop flights from Salt Lake City to San Jose · Aug 2025 – Jul 2026
On-time arrivals
76%
arrived < 15 min late
Cancelled
0.9%
2 flights
Avg arrival delay
12 min
46 min when late
Rank on route
#3 of 3
route average 87% on time
Key facts
- Southwest Airlines flights on SLC to SJC arrived on time 76% of the time in Aug 2025 – Jul 2026.
- 0.9% were cancelled, and 5% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 87% on time overall.
- The largest source of delay minutes was late-arriving aircraft (82%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft82%
- Airline (crew, maintenance, cleaning, fueling)14%
- Air traffic control & airport congestion4%
- Extreme weather0%
- Security0%
Other airlines on SLC to SJC
- Delta Air Lines85% on time · 11 min avg delay
- SkyWest Airlines93% on time · 6 min avg delay
Full SLC to SJC comparison →
Southwest Airlines on-time record across all routes →
212 Southwest Airlines flights tracked on this route; 2 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.