Frontier Airlines PHX to SEA on-time performance
Frontier Airlines nonstop flights from Phoenix to Seattle · Aug 2025 – Jul 2026
On-time arrivals
85%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
13 min
78 min when late
Rank on route
#3 of 7
route average 82% on time
Key facts
- Frontier Airlines flights on PHX to SEA arrived on time 85% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 8% arrived an hour or more late.
- That ranks #3 of 7 airlines on this route, which averaged 82% on time overall.
- The largest source of delay minutes was late-arriving aircraft (45%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft45%
- Airline (crew, maintenance, cleaning, fueling)31%
- Air traffic control & airport congestion24%
- Extreme weather0%
- Security0%
Other airlines on PHX to SEA
- Alaska Airlines85% on time · 10 min avg delay
- Delta Air Lines88% on time · 10 min avg delay
- Southwest Airlines63% on time · 18 min avg delay
- Envoy Air88% on time · 7 min avg delay
- SkyWest Airlines83% on time · 12 min avg delay
- American Airlines82% on time · 11 min avg delay
Full PHX to SEA comparison →
Frontier Airlines on-time record across all routes →
139 Frontier 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.