LAX → SEA Frontier Airlines

Frontier Airlines · Los Angeles, CA to Seattle, WA · 276 flights, 2025-07-04 to 2026-06-30 · aggregated across 2 flight numbers

This route's scheduled flight time has grown by 15 min since 2025-07 — some of the on-time performance may reflect a more generous published schedule, not a faster or more reliable flight.
On-time arrival
80%
Median delay
-9 min
90th percentile
+37 min
Cancellation rate
4%

How on-time is Frontier Airlines from LAX to SEA?

Across every Frontier Airlines flight number on LAX → SEA (276 flights, 2025-07-04 to 2026-06-30), 80% arrived within 15 minutes of schedule. Median arrival delay -9 min; the worst 10% ran +37 min or later. 4% were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time21480%
16-30 min208%
31-60 min145%
61-120 min125%
2+ hrs62%

Performance by month

MonthFlightsOn-timeAvg delay
2025-071283%+9 min
2025-081867%+59 min
2025-092085%-3 min
2025-101974%+9 min
2025-112273%+9 min
2025-122259%+27 min
2026-011782%-1 min
2026-0219100%-24 min
2026-032785%+1 min
2026-042979%+4 min
2026-053194%-21 min
2026-063080%-3 min

Performance by day of week

DayFlightsOn-time
Mon4676%
Tue2374%
Wed2186%
Thu4290%
Fri4772%
Sat4892%
Sun3972%

F9 flight numbers on LAX → SEA

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…