AS1127 SEA → SLC
Alaska Airlines · Seattle, WA to Salt Lake City, UT · 13 flights observed, 2025-07-05 to 2025-08-16 · 689 mi
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).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 7 | 54% |
| 16-30 min | 2 | 15% |
| 31-60 min | 4 | 31% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 7 | 29% | +24 min |
| 2025-08 | 6 | 83% | +10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | No data | — |
| Wed | No data | — |
| Thu | No data | — |
| Fri | 6 | 67% |
| Sat | 7 | 43% |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…