Southwest Airlines LAX to DEN on-time performance
Southwest Airlines nonstop flights from Los Angeles to Denver · Aug 2025 – Jul 2026
On-time arrivals
73%
arrived < 15 min late
Cancelled
0.4%
8 flights
Avg arrival delay
16 min
53 min when late
Rank on route
#5 of 5
route average 82% on time
Key facts
- Southwest Airlines flights on LAX to DEN arrived on time 73% of the time in Aug 2025 – Jul 2026.
- 0.4% were cancelled, and 7% arrived an hour or more late.
- That ranks #5 of 5 airlines on this route, which averaged 82% 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%
- Airline (crew, maintenance, cleaning, fueling)27%
- Air traffic control & airport congestion27%
- Extreme weather1%
- Security0%
Other airlines on LAX to DEN
- United Airlines88% on time · 9 min avg delay
- SkyWest Airlines82% on time · 12 min avg delay
- Frontier Airlines82% on time · 17 min avg delay
- Delta Air Lines80% on time · 19 min avg delay
Full LAX to DEN comparison →
Southwest Airlines on-time record across all routes →
1,902 Southwest Airlines flights tracked on this route; 8 cancelled, 7 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.