Frontier Airlines LAX to SEA on-time performance
Frontier Airlines nonstop flights from Los Angeles to Seattle · Aug 2025 – Jul 2026
On-time arrivals
82%
arrived < 15 min late
Cancelled
3.4%
10 flights
Avg arrival delay
15 min
77 min when late
Rank on route
#5 of 6
route average 85% on time
Key facts
- Frontier Airlines flights on LAX to SEA arrived on time 82% of the time in Aug 2025 – Jul 2026.
- 3.4% were cancelled, and 6% arrived an hour or more late.
- That ranks #5 of 6 airlines on this route, which averaged 85% on time overall.
- The largest source of delay minutes was late-arriving aircraft (68%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft68%
- Airline (crew, maintenance, cleaning, fueling)19%
- Air traffic control & airport congestion12%
- Extreme weather1%
- Security0%
Other airlines on LAX to SEA
- Alaska Airlines85% on time · 8 min avg delay
- Delta Air Lines86% on time · 11 min avg delay
- SkyWest Airlines84% on time · 14 min avg delay
- United Airlines87% on time · 6 min avg delay
- American Airlines73% on time · 40 min avg delay
Full LAX to SEA comparison →
Frontier Airlines on-time record across all routes →
295 Frontier Airlines flights tracked on this route; 10 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.