Southwest Airlines SNA to DEN on-time performance
Southwest Airlines nonstop flights from Santa Ana to Denver · Aug 2025 – Jul 2026
On-time arrivals
79%
arrived < 15 min late
Cancelled
0.4%
6 flights
Avg arrival delay
13 min
55 min when late
Rank on route
#3 of 3
route average 84% on time
Key facts
- Southwest Airlines flights on SNA to DEN arrived on time 79% of the time in Aug 2025 – Jul 2026.
- 0.4% were cancelled, and 6% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 84% on time overall.
- The largest source of delay minutes was late-arriving aircraft (45%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft45%
- Air traffic control & airport congestion29%
- Airline (crew, maintenance, cleaning, fueling)21%
- Extreme weather5%
- Security0%
Other airlines on SNA to DEN
- United Airlines87% on time · 9 min avg delay
- Frontier Airlines86% on time · 14 min avg delay
Full SNA to DEN comparison →
Southwest Airlines on-time record across all routes →
1,537 Southwest Airlines flights tracked on this route; 6 cancelled, 5 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.