AS543 DFW → SEA

Alaska Airlines · Dallas/Fort Worth, TX to Seattle, WA · 298 flights observed, 2025-07-01 to 2026-06-30 · 1,660 mi

On-time arrival
81%
Median delay
-6 min
90th percentile
+32 min
Cancellation rate
2%

How often is AS543 on time?

Across 298 flights on DFW → SEA from 2025-07-01 to 2026-06-30, AS543 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +32 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time23781%
16-30 min248%
31-60 min176%
61-120 min93%
2+ hrs62%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072983%+7 min
2025-083165%+25 min
2025-093080%+2 min
2025-103187%-8 min
2025-113073%+3 min
2025-122673%+19 min
2026-012983%-3 min
2026-022886%-10 min
2026-031782%-1 min
2026-049100%-17 min
2026-0512100%-21 min
2026-062186%+2 min

Performance by day of week

DayFlightsOn-time
Mon4379%
Tue4381%
Wed4388%
Thu4379%
Fri4386%
Sat4075%
Sun3876%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…