Southwest Airlines DEN to ORD on-time performance
Southwest Airlines nonstop flights from Denver to Chicago · Aug 2025 – Jul 2026
On-time arrivals
68%
arrived < 15 min late
Cancelled
0.5%
2 flights
Avg arrival delay
20 min
57 min when late
Rank on route
#4 of 5
route average 72% on time
Key facts
- Southwest Airlines flights on DEN to ORD arrived on time 68% of the time in Aug 2025 – Jul 2026.
- 0.5% were cancelled, and 10% arrived an hour or more late.
- That ranks #4 of 5 airlines on this route, which averaged 72% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (35%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)35%
- Air traffic control & airport congestion34%
- Late-arriving aircraft28%
- Extreme weather4%
- Security0%
Other airlines on DEN to ORD
- United Airlines72% on time · 23 min avg delay
- American Airlines74% on time · 33 min avg delay
- Frontier Airlines67% on time · 29 min avg delay
- Envoy Air74% on time · 16 min avg delay
Full DEN to ORD comparison →
Southwest Airlines on-time record across all routes →
389 Southwest Airlines flights tracked on this route; 2 cancelled, 2 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.