Flight OddsAS444 SEA → PHL
Alaska Airlines · Seattle, WA to Philadelphia, PA · 115 flights observed, 2025-07-01 to 2025-10-24 · 2,379 mi
AS444 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
83%
Median delay
-8 min
90th percentile
+47 min
Cancellation rate
3%
How often is AS444 on time?
Across 115 flights on SEA → PHL from 2025-07-01 to 2025-10-24, AS444 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +47 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 93 | 83% |
| 16-30 min | 3 | 3% |
| 31-60 min | 7 | 6% |
| 61-120 min | 7 | 6% |
| 2+ hrs | 2 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 71% | +19 min |
| 2025-08 | 31 | 81% | +2 min |
| 2025-09 | 30 | 90% | -2 min |
| 2025-10 | 23 | 91% | -5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 16 | 88% |
| Tue | 17 | 82% |
| Wed | 17 | 94% |
| Thu | 14 | 79% |
| Fri | 16 | 69% |
| Sat | 16 | 94% |
| Sun | 16 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…