Flight OddsAS3434 SEA → PDX
Alaska Airlines · Seattle, WA to Portland, OR · 44 flights observed, 2025-10-26 to 2026-01-06 · 129 mi
AS3434 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
68%
Median delay
+4 min
90th percentile
+51 min
Cancellation rate
14%
How often is AS3434 on time?
Across 44 flights on SEA → PDX from 2025-10-26 to 2026-01-06, AS3434 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +51 min or later. 14% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 26 | 68% |
| 16-30 min | 5 | 13% |
| 31-60 min | 3 | 8% |
| 61-120 min | 3 | 8% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 5 | 80% | +9 min |
| 2025-11 | 20 | 75% | +12 min |
| 2025-12 | 9 | 67% | +10 min |
| 2026-01 | 4 | 25% | +51 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 88% |
| Tue | 7 | 86% |
| Wed | 4 | 75% |
| Thu | 7 | 14% |
| Fri | 5 | 60% |
| Sat | 2 | 50% |
| Sun | 5 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…