Southwest Airlines DEN to TUL on-time performance
Southwest Airlines nonstop flights from Denver to Tulsa · Aug 2025 – Jul 2026
On-time arrivals
66%
arrived < 15 min late
Cancelled
1.2%
11 flights
Avg arrival delay
20 min
53 min when late
Rank on route
#4 of 4
route average 77% on time
Key facts
- Southwest Airlines flights on DEN to TUL arrived on time 66% of the time in Aug 2025 – Jul 2026.
- 1.2% were cancelled, and 9% arrived an hour or more late.
- That ranks #4 of 4 airlines on this route, which averaged 77% on time overall.
- The largest source of delay minutes was late-arriving aircraft (59%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft59%
- Airline (crew, maintenance, cleaning, fueling)30%
- Air traffic control & airport congestion10%
- Extreme weather1%
- Security0%
Other airlines on DEN to TUL
- SkyWest Airlines86% on time · 10 min avg delay
- United Airlines79% on time · 18 min avg delay
- Frontier Airlines77% on time · 18 min avg delay
Full DEN to TUL comparison →
Southwest Airlines on-time record across all routes →
893 Southwest Airlines flights tracked on this route; 11 cancelled, 3 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.