Frontier Airlines SEA to PHX on-time performance
Frontier Airlines nonstop flights from Seattle to Phoenix · Aug 2025 – Jul 2026
On-time arrivals
71%
arrived < 15 min late
Cancelled
4.3%
6 flights
Avg arrival delay
42 min
139 min when late
Rank on route
#6 of 7
route average 79% on time
Key facts
- Frontier Airlines flights on SEA to PHX arrived on time 71% of the time in Aug 2025 – Jul 2026.
- 4.3% were cancelled, and 10% arrived an hour or more late.
- That ranks #6 of 7 airlines on this route, which averaged 79% on time overall.
- The largest source of delay minutes was late-arriving aircraft (61%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft61%
- Airline (crew, maintenance, cleaning, fueling)35%
- Air traffic control & airport congestion5%
- Extreme weather0%
- Security0%
Other airlines on SEA to PHX
- Alaska Airlines79% on time · 10 min avg delay
- 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
Full SEA to PHX comparison →
Frontier Airlines on-time record across all routes →
139 Frontier Airlines flights tracked on this route; 6 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.