Flight OddsAS677 SEA → SLC
Alaska Airlines · Seattle, WA to Salt Lake City, UT · 61 flights observed, 2026-01-07 to 2026-03-16 · 689 mi
AS677 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
82%
Median delay
-6 min
90th percentile
+27 min
Cancellation rate
2%
How often is AS677 on time?
Across 61 flights on SEA → SLC from 2026-01-07 to 2026-03-16, AS677 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +27 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 49 | 82% |
| 16-30 min | 6 | 10% |
| 31-60 min | 2 | 3% |
| 61-120 min | 3 | 5% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 25 | 92% | -5 min |
| 2026-02 | 24 | 75% | +5 min |
| 2026-03 | 11 | 73% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 70% |
| Tue | 5 | 100% |
| Wed | 6 | 100% |
| Thu | 10 | 40% |
| Fri | 9 | 89% |
| Sat | 10 | 100% |
| Sun | 10 | 90% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…