SkyWest Airlines SEA to DEN on-time performance
SkyWest Airlines nonstop flights from Seattle to Denver · Aug 2025 – Jul 2026Regional airline operating flights for United Express, Delta Connection, American Eagle and Alaska.
On-time arrivals
85%
arrived < 15 min late
Cancelled
0.5%
1 flights
Avg arrival delay
10 min
60 min when late
Rank on route
#2 of 6
route average 78% on time
Key facts
- SkyWest Airlines flights on SEA to DEN arrived on time 85% of the time in Aug 2025 – Jul 2026.
- 0.5% were cancelled, and 5% arrived an hour or more late.
- That ranks #2 of 6 airlines on this route, which averaged 78% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (44%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)44%
- Extreme weather38%
- Air traffic control & airport congestion18%
- Late-arriving aircraft0%
- Security0%
Other airlines on SEA to DEN
- United Airlines88% on time · 9 min avg delay
- Alaska Airlines78% on time · 12 min avg delay
- Southwest Airlines68% on time · 17 min avg delay
- Delta Air Lines73% on time · 17 min avg delay
- Frontier Airlines77% on time · 15 min avg delay
Full SEA to DEN comparison →
SkyWest Airlines on-time record across all routes →
221 SkyWest Airlines flights tracked on this route; 1 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.