Flight OddsAS436 PDX → BOS
Alaska Airlines · Portland, OR to Boston, MA · 184 flights observed, 2025-07-01 to 2026-06-30 · 2,537 mi
AS436 covers more than one route in the data window — the stats below are for PDX → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
82%
Median delay
-6 min
90th percentile
+27 min
Cancellation rate
1%
How often is AS436 on time?
Across 184 flights on PDX → BOS from 2025-07-01 to 2026-06-30, AS436 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +27 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 | 149 | 82% |
| 16-30 min | 17 | 9% |
| 31-60 min | 12 | 7% |
| 61-120 min | 4 | 2% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 80% | +2 min |
| 2025-08 | 26 | 81% | -3 min |
| 2025-09 | 17 | 82% | -2 min |
| 2025-10 | 16 | 81% | -9 min |
| 2025-11 | 9 | 89% | -11 min |
| 2025-12 | 8 | 50% | +16 min |
| 2026-01 | 3 | 33% | +19 min |
| 2026-03 | 10 | 90% | -26 min |
| 2026-04 | 14 | 79% | -10 min |
| 2026-05 | 19 | 95% | +1 min |
| 2026-06 | 30 | 87% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 32 | 81% |
| Tue | 16 | 88% |
| Wed | 25 | 72% |
| Thu | 31 | 84% |
| Fri | 29 | 90% |
| Sat | 16 | 81% |
| Sun | 33 | 79% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…