Flight OddsAS442 SEA → PHL
Alaska Airlines · Seattle, WA to Philadelphia, PA · 364 flights observed, 2025-07-01 to 2026-06-30 · 2,379 mi
AS442 covers more than one route in the data window — the stats below are for SEA → PHL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
75%
Median delay
-2 min
90th percentile
+34 min
Cancellation rate
2%
How often is AS442 on time?
Across 364 flights on SEA → PHL from 2025-07-01 to 2026-06-30, AS442 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +34 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 267 | 75% |
| 16-30 min | 45 | 13% |
| 31-60 min | 30 | 8% |
| 61-120 min | 8 | 2% |
| 2+ hrs | 5 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 52% | +24 min |
| 2025-08 | 31 | 68% | +13 min |
| 2025-09 | 30 | 73% | +5 min |
| 2025-10 | 30 | 70% | +6 min |
| 2025-11 | 29 | 83% | -5 min |
| 2025-12 | 31 | 84% | -4 min |
| 2026-01 | 30 | 63% | +4 min |
| 2026-02 | 28 | 89% | -6 min |
| 2026-03 | 30 | 80% | +4 min |
| 2026-04 | 30 | 97% | -9 min |
| 2026-05 | 30 | 67% | +2 min |
| 2026-06 | 27 | 78% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 67% |
| Tue | 52 | 83% |
| Wed | 50 | 80% |
| Thu | 50 | 72% |
| Fri | 50 | 74% |
| Sat | 51 | 75% |
| Sun | 51 | 76% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…