Alaska Airlines SEA to PHX on-time performance
Alaska Airlines nonstop flights from Seattle to Phoenix · Aug 2025 – Jul 2026
On-time arrivals
79%
arrived < 15 min late
Cancelled
0.6%
17 flights
Avg arrival delay
10 min
44 min when late
Rank on route
#5 of 7
route average 79% on time
Key facts
- Alaska Airlines flights on SEA to PHX arrived on time 79% of the time in Aug 2025 – Jul 2026.
- 0.6% were cancelled, and 4% arrived an hour or more late.
- That ranks #5 of 7 airlines on this route, which averaged 79% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (37%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)37%
- Late-arriving aircraft34%
- Air traffic control & airport congestion29%
- Extreme weather1%
- Security0%
Other airlines on SEA to PHX
- Delta Air Lines82% on time · 14 min avg delay
- Southwest Airlines67% on time · 18 min avg delay
- Envoy Air86% on time · 12 min avg delay
- SkyWest Airlines80% on time · 17 min avg delay
- American Airlines86% on time · 12 min avg delay
- Frontier Airlines71% on time · 42 min avg delay
Full SEA to PHX comparison →
Alaska Airlines on-time record across all routes →
2,887 Alaska Airlines flights tracked on this route; 17 cancelled, 7 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.