AS1127 SEA → SLC

Alaska Airlines · Seattle, WA to Salt Lake City, UT · 13 flights observed, 2025-07-05 to 2025-08-16 · 689 mi

This flight has been getting more reliable recently — 2025-08's on-time rate (83%) is well above the 29% average from earlier months.

AS1127 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
54%
Median delay
+15 min
90th percentile
+54 min
Cancellation rate
0%

How often is AS1127 on time?

Across 13 flights on SEA → SLC from 2025-07-05 to 2025-08-16, AS1127 arrived within 15 minutes of schedule 54% of the time. The median arrival delay was +15 min, and the worst 10% of flights arrived +54 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time754%
16-30 min215%
31-60 min431%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-07729%+24 min
2025-08683%+10 min

Performance by day of week

DayFlightsOn-time
MonNo data—
TueNo data—
WedNo data—
ThuNo data—
Fri667%
Sat743%
SunNo data—

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