Flight OddsAS3440 SEA → PDX
Alaska Airlines · Seattle, WA to Portland, OR · 39 flights observed, 2025-08-20 to 2025-10-03 · 129 mi
AS3440 covers more than one route in the data window — the stats below are for SEA → PDX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
82%
Median delay
-6 min
90th percentile
+42 min
Cancellation rate
0%
How often is AS3440 on time?
Across 39 flights on SEA → PDX from 2025-08-20 to 2025-10-03, AS3440 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +42 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 | 32 | 82% |
| 16-30 min | 1 | 3% |
| 31-60 min | 5 | 13% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 10 | 90% | -5 min |
| 2025-09 | 26 | 81% | +6 min |
| 2025-10 | 3 | 67% | +14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 100% |
| Tue | 6 | 50% |
| Wed | 7 | 100% |
| Thu | 7 | 57% |
| Fri | 7 | 86% |
| Sat | No data | — |
| Sun | 6 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…