SkyWest Airlines TUS to SEA on-time performance
SkyWest Airlines nonstop flights from Tucson to Seattle · Aug 2025 – Jul 2026Regional airline operating flights for United Express, Delta Connection, American Eagle and Alaska.
On-time arrivals
87%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
9 min
63 min when late
Rank on route
#2 of 3
route average 86% on time
Key facts
- SkyWest Airlines flights on TUS to SEA arrived on time 87% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 4% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 86% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (48%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)48%
- Late-arriving aircraft35%
- Extreme weather9%
- Air traffic control & airport congestion8%
- Security0%
Other airlines on TUS to SEA
- Alaska Airlines85% on time · 8 min avg delay
- Delta Air Lines89% on time · 18 min avg delay
Full TUS to SEA comparison →
SkyWest Airlines on-time record across all routes →
371 SkyWest Airlines flights tracked on this route; 0 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.