Flight OddsAS331 PDX → ANC
Alaska Airlines · Portland, OR to Anchorage, AK · 15 flights observed, 2026-03-18 to 2026-04-19 · 1,542 mi
AS331 covers more than one route in the data window — the stats below are for PDX → ANC, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
93%
Median delay
-4 min
90th percentile
+9 min
Cancellation rate
0%
How often is AS331 on time?
Across 15 flights on PDX → ANC from 2026-03-18 to 2026-04-19, AS331 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +9 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 | 14 | 93% |
| 16-30 min | 1 | 7% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 12 | 100% | -2 min |
| 2026-04 | 3 | 67% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 100% |
| Tue | 2 | 100% |
| Wed | 2 | 100% |
| Thu | 2 | 100% |
| Fri | 2 | 100% |
| Sat | No data | — |
| Sun | 5 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…