AS720 SEA → SLC

Alaska Airlines · Seattle, WA to Salt Lake City, UT · 111 flights observed, 2025-11-25 to 2026-04-30 · 689 mi

This flight's reliability varies a lot by day of week — 100% on-time on Tuesdays vs. 63% on Sundays.

AS720 covers more than one route in the data window — the stats below are for SEA → SLC, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
81%
Median delay
-8 min
90th percentile
+31 min
Cancellation rate
1%

How often is AS720 on time?

Across 111 flights on SEA → SLC from 2025-11-25 to 2026-04-30, AS720 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +31 min or later. 1% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time8881%
16-30 min98%
31-60 min87%
61-120 min44%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112100%-19 min
2025-121173%+10 min
2026-012365%+2 min
2026-022479%-1 min
2026-032584%+0 min
2026-042496%-11 min

Performance by day of week

DayFlightsOn-time
Mon1989%
Tue10100%
Wed7100%
Thu1765%
Fri1894%
Sat1974%
Sun1963%

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