Flight OddsAS131 SEA → ANC
Alaska Airlines · Seattle, WA to Anchorage, AK · 171 flights observed, 2025-07-01 to 2026-01-06 · 1,448 mi
AS131 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
76%
Median delay
-3 min
90th percentile
+37 min
Cancellation rate
1%
How often is AS131 on time?
Across 171 flights on SEA → ANC from 2025-07-01 to 2026-01-06, AS131 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +37 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 130 | 76% |
| 16-30 min | 19 | 11% |
| 31-60 min | 12 | 7% |
| 61-120 min | 4 | 2% |
| 2+ hrs | 5 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 74% | +8 min |
| 2025-08 | 31 | 71% | +12 min |
| 2025-09 | 29 | 86% | -8 min |
| 2025-10 | 26 | 81% | +7 min |
| 2025-11 | 18 | 89% | -13 min |
| 2025-12 | 29 | 66% | +24 min |
| 2026-01 | 6 | 67% | +7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 25 | 64% |
| Tue | 26 | 92% |
| Wed | 23 | 78% |
| Thu | 25 | 76% |
| Fri | 22 | 59% |
| Sat | 25 | 80% |
| Sun | 24 | 83% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…