United Airlines TUL to DEN on-time performance
United Airlines nonstop flights from Tulsa to Denver · Aug 2025 – Jul 2026
On-time arrivals
77%
arrived < 15 min late
Cancelled
1.1%
4 flights
Avg arrival delay
12 min
43 min when late
Rank on route
#3 of 4
route average 81% on time
Key facts
- United Airlines flights on TUL to DEN arrived on time 77% of the time in Aug 2025 – Jul 2026.
- 1.1% were cancelled, and 4% arrived an hour or more late.
- That ranks #3 of 4 airlines on this route, which averaged 81% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (52%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion52%
- Airline (crew, maintenance, cleaning, fueling)46%
- Extreme weather2%
- Late-arriving aircraft0%
- Security0%
Other airlines on TUL to DEN
- SkyWest Airlines80% on time · 16 min avg delay
- Southwest Airlines84% on time · 11 min avg delay
- Frontier Airlines74% on time · 18 min avg delay
Full TUL to DEN comparison →
United Airlines on-time record across all routes →
365 United Airlines flights tracked on this route; 4 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.