Southwest Airlines DEN to DTW on-time performance
Southwest Airlines nonstop flights from Denver to Detroit · Aug 2025 – Jul 2026
On-time arrivals
57%
arrived < 15 min late
Cancelled
0.8%
5 flights
Avg arrival delay
23 min
50 min when late
Rank on route
#5 of 5
route average 78% on time
Key facts
- Southwest Airlines flights on DEN to DTW arrived on time 57% of the time in Aug 2025 – Jul 2026.
- 0.8% were cancelled, and 12% arrived an hour or more late.
- That ranks #5 of 5 airlines on this route, which averaged 78% on time overall.
- The largest source of delay minutes was late-arriving aircraft (60%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft60%
- Airline (crew, maintenance, cleaning, fueling)28%
- Air traffic control & airport congestion11%
- Extreme weather1%
- Security0%
Other airlines on DEN to DTW
- Delta Air Lines87% on time · 11 min avg delay
- United Airlines80% on time · 13 min avg delay
- Frontier Airlines80% on time · 16 min avg delay
- SkyWest Airlines100% on time · 0 min avg delay
Full DEN to DTW comparison →
Southwest Airlines on-time record across all routes →
649 Southwest Airlines flights tracked on this route; 5 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.