Southwest Airlines DEN to BWI on-time performance
Southwest Airlines nonstop flights from Denver to Baltimore · Aug 2025 – Jul 2026
On-time arrivals
76%
arrived < 15 min late
Cancelled
1.2%
23 flights
Avg arrival delay
13 min
51 min when late
Rank on route
#3 of 3
route average 77% on time
Key facts
- Southwest Airlines flights on DEN to BWI arrived on time 76% of the time in Aug 2025 – Jul 2026.
- 1.2% were cancelled, and 6% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 77% on time overall.
- The largest source of delay minutes was late-arriving aircraft (52%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft52%
- Airline (crew, maintenance, cleaning, fueling)34%
- Air traffic control & airport congestion14%
- Extreme weather1%
- Security0%
Other airlines on DEN to BWI
- United Airlines82% on time · 11 min avg delay
- Frontier Airlines79% on time · 16 min avg delay
Full DEN to BWI comparison →
Southwest Airlines on-time record across all routes →
1,902 Southwest Airlines flights tracked on this route; 23 cancelled, 10 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.