Flight OddsAS499 PDX → SEA
Alaska Airlines · Portland, OR to Seattle, WA · 291 flights observed, 2025-07-01 to 2026-06-30 · 129 mi
On-time arrival
93%
Median delay
-5 min
90th percentile
+12 min
Cancellation rate
1%
How often is AS499 on time?
Across 291 flights on PDX → SEA from 2025-07-01 to 2026-06-30, AS499 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +12 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 | 268 | 93% |
| 16-30 min | 13 | 5% |
| 31-60 min | 4 | 1% |
| 61-120 min | 2 | 1% |
| 2+ hrs | 1 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 100% | -10 min |
| 2025-08 | 30 | 90% | -3 min |
| 2025-09 | 30 | 97% | -3 min |
| 2025-10 | 29 | 83% | +5 min |
| 2025-11 | 29 | 86% | -1 min |
| 2025-12 | 16 | 100% | -3 min |
| 2026-01 | 6 | 83% | +30 min |
| 2026-02 | 17 | 94% | -4 min |
| 2026-03 | 31 | 90% | +1 min |
| 2026-04 | 21 | 95% | -8 min |
| 2026-05 | 18 | 94% | -10 min |
| 2026-06 | 30 | 100% | -8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 42 | 95% |
| Tue | 42 | 95% |
| Wed | 40 | 98% |
| Thu | 41 | 90% |
| Fri | 41 | 85% |
| Sat | 40 | 98% |
| Sun | 42 | 90% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…