Flight OddsAS77 SEA → ANC
Alaska Airlines · Seattle, WA to Anchorage, AK · 102 flights observed, 2025-11-21 to 2026-05-12 · 1,448 mi
AS77 covers more than one route in the data window — the stats below are for SEA → ANC, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-3 min
90th percentile
+29 min
Cancellation rate
2%
How often is AS77 on time?
Across 102 flights on SEA → ANC from 2025-11-21 to 2026-05-12, AS77 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +29 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 | 79 | 79% |
| 16-30 min | 11 | 11% |
| 31-60 min | 9 | 9% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 10 | 100% | -9 min |
| 2025-12 | 1 | 0% | +37 min |
| 2026-01 | 24 | 71% | +3 min |
| 2026-02 | 28 | 89% | -6 min |
| 2026-03 | 16 | 69% | +8 min |
| 2026-04 | 9 | 78% | +5 min |
| 2026-05 | 12 | 75% | -5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 15 | 73% |
| Tue | 14 | 71% |
| Wed | 14 | 71% |
| Thu | 14 | 86% |
| Fri | 14 | 86% |
| Sat | 14 | 79% |
| Sun | 15 | 87% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…