Flight OddsAS3439 PDX → SEA
Alaska Airlines · Portland, OR to Seattle, WA · 39 flights observed, 2025-08-20 to 2025-10-03 · 129 mi
AS3439 covers more than one route in the data window — the stats below are for PDX → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
74%
Median delay
-1 min
90th percentile
+48 min
Cancellation rate
0%
How often is AS3439 on time?
Across 39 flights on PDX → SEA from 2025-08-20 to 2025-10-03, AS3439 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +48 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 | 29 | 74% |
| 16-30 min | 5 | 13% |
| 31-60 min | 2 | 5% |
| 61-120 min | 3 | 8% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 10 | 70% | +16 min |
| 2025-09 | 26 | 73% | +7 min |
| 2025-10 | 3 | 100% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 67% |
| Tue | 6 | 67% |
| Wed | 7 | 71% |
| Thu | 7 | 86% |
| Fri | 7 | 100% |
| Sat | No data | — |
| Sun | 6 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…