Southwest Airlines DEN to BHM on-time performance
Southwest Airlines nonstop flights from Denver to Birmingham · Aug 2025 – Jul 2026
On-time arrivals
66%
arrived < 15 min late
Cancelled
0.6%
3 flights
Avg arrival delay
20 min
54 min when late
Rank on route
#3 of 3
route average 74% on time
Key facts
- Southwest Airlines flights on DEN to BHM arrived on time 66% of the time in Aug 2025 – Jul 2026.
- 0.6% were cancelled, and 11% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 74% on time overall.
- The largest source of delay minutes was late-arriving aircraft (65%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft65%
- Airline (crew, maintenance, cleaning, fueling)26%
- Air traffic control & airport congestion10%
- Extreme weather0%
- Security0%
Other airlines on DEN to BHM
- SkyWest Airlines80% on time · 13 min avg delay
- United Airlines74% on time · 16 min avg delay
Full DEN to BHM comparison →
Southwest Airlines on-time record across all routes →
491 Southwest Airlines flights tracked on this route; 3 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.