Flight OddsAS358 PDX → BOS
Alaska Airlines · Portland, OR to Boston, MA · 349 flights observed, 2025-07-01 to 2026-06-30 · 2,537 mi
On-time arrival
83%
Median delay
-4 min
90th percentile
+26 min
Cancellation rate
1%
How often is AS358 on time?
Across 349 flights on PDX → BOS from 2025-07-01 to 2026-06-30, AS358 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +26 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 | 287 | 83% |
| 16-30 min | 31 | 9% |
| 31-60 min | 21 | 6% |
| 61-120 min | 5 | 1% |
| 2+ hrs | 1 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 87% | +4 min |
| 2025-08 | 31 | 84% | -3 min |
| 2025-09 | 30 | 70% | +5 min |
| 2025-10 | 31 | 65% | +16 min |
| 2025-11 | 28 | 89% | -3 min |
| 2025-12 | 31 | 87% | -10 min |
| 2026-01 | 25 | 88% | -9 min |
| 2026-02 | 21 | 100% | -8 min |
| 2026-03 | 26 | 92% | -15 min |
| 2026-04 | 30 | 87% | -2 min |
| 2026-05 | 31 | 74% | +6 min |
| 2026-06 | 30 | 83% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 50 | 82% |
| Tue | 48 | 75% |
| Wed | 52 | 85% |
| Thu | 51 | 82% |
| Fri | 51 | 78% |
| Sat | 42 | 86% |
| Sun | 51 | 94% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…