Flight OddsSTS → PDX Alaska Airlines
Alaska Airlines · Santa Rosa, CA to Portland, OR · 794 flights, 2025-07-01 to 2026-06-30 · aggregated across 20 flight numbers
On-time arrival
90%
Median delay
-12 min
90th percentile
+16 min
Cancellation rate
3%
How on-time is Alaska Airlines from STS to PDX?
Across every Alaska Airlines flight number on STS → PDX (794 flights, 2025-07-01 to 2026-06-30), 90% arrived within 15 minutes of schedule. Median arrival delay -12 min; the worst 10% ran +16 min or later. 3% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 692 | 90% |
| 16-30 min | 18 | 2% |
| 31-60 min | 22 | 3% |
| 61-120 min | 26 | 3% |
| 2+ hrs | 13 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 62 | 94% | -1 min |
| 2025-08 | 62 | 90% | -4 min |
| 2025-09 | 60 | 95% | -13 min |
| 2025-10 | 58 | 84% | +7 min |
| 2025-11 | 58 | 90% | +2 min |
| 2025-12 | 51 | 76% | +13 min |
| 2026-01 | 48 | 94% | -5 min |
| 2026-02 | 51 | 90% | -4 min |
| 2026-03 | 75 | 97% | -15 min |
| 2026-04 | 79 | 91% | -8 min |
| 2026-05 | 85 | 89% | -5 min |
| 2026-06 | 82 | 84% | +0 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 115 | 91% |
| Tue | 107 | 91% |
| Wed | 99 | 93% |
| Thu | 117 | 91% |
| Fri | 117 | 88% |
| Sat | 102 | 85% |
| Sun | 114 | 89% |
AS flight numbers on STS → PDX
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…