Flight OddsAS214 SEA → BOS
Alaska Airlines · Seattle, WA to Boston, MA · 54 flights observed, 2025-11-21 to 2026-04-20 · 2,496 mi
AS214 covers more than one route in the data window — the stats below are for SEA → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
81%
Median delay
-11 min
90th percentile
+26 min
Cancellation rate
0%
How often is AS214 on time?
Across 54 flights on SEA → BOS from 2025-11-21 to 2026-04-20, AS214 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +26 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 44 | 81% |
| 16-30 min | 5 | 9% |
| 31-60 min | 3 | 6% |
| 61-120 min | 2 | 4% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 9 | 78% | -1 min |
| 2025-12 | 15 | 73% | 0 min |
| 2026-01 | 5 | 60% | +18 min |
| 2026-03 | 10 | 100% | -21 min |
| 2026-04 | 15 | 87% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 80% |
| Tue | 3 | 67% |
| Wed | 3 | 100% |
| Thu | 8 | 88% |
| Fri | 10 | 80% |
| Sat | 10 | 70% |
| Sun | 10 | 90% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…