Flight OddsAS403 PDX → SEA
Alaska Airlines · Portland, OR to Seattle, WA · 71 flights observed, 2025-12-18 to 2026-05-12 · 129 mi
AS403 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
94%
Median delay
-6 min
90th percentile
+8 min
Cancellation rate
1%
How often is AS403 on time?
Across 71 flights on PDX → SEA from 2025-12-18 to 2026-05-12, AS403 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +8 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 | 66 | 94% |
| 16-30 min | 1 | 1% |
| 31-60 min | 2 | 3% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 10 | 80% | -6 min |
| 2026-01 | 4 | 75% | +14 min |
| 2026-03 | 14 | 100% | -9 min |
| 2026-04 | 30 | 100% | -6 min |
| 2026-05 | 12 | 92% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 100% |
| Tue | 11 | 91% |
| Wed | 10 | 90% |
| Thu | 9 | 100% |
| Fri | 11 | 100% |
| Sat | 8 | 100% |
| Sun | 10 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…