Southwest Airlines DEN to CLE on-time performance
Southwest Airlines nonstop flights from Denver to Cleveland · Aug 2025 – Jul 2026
On-time arrivals
63%
arrived < 15 min late
Cancelled
0.3%
2 flights
Avg arrival delay
21 min
51 min when late
Rank on route
#3 of 3
route average 76% on time
Key facts
- Southwest Airlines flights on DEN to CLE arrived on time 63% of the time in Aug 2025 – Jul 2026.
- 0.3% were cancelled, and 9% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was late-arriving aircraft (51%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft51%
- Airline (crew, maintenance, cleaning, fueling)33%
- Air traffic control & airport congestion16%
- Extreme weather0%
- Security0%
Other airlines on DEN to CLE
- United Airlines83% on time · 12 min avg delay
- Frontier Airlines85% on time · 8 min avg delay
Full DEN to CLE comparison →
Southwest Airlines on-time record across all routes →
605 Southwest Airlines flights tracked on this route; 2 cancelled, 1 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.