Flight OddsAS370 PHL → SEA
Alaska Airlines · Philadelphia, PA to Seattle, WA · 85 flights observed, 2025-11-21 to 2026-05-12 · 2,379 mi
AS370 covers more than one route in the data window — the stats below are for PHL → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
65%
Median delay
+9 min
90th percentile
+47 min
Cancellation rate
0%
How often is AS370 on time?
Across 85 flights on PHL → SEA from 2025-11-21 to 2026-05-12, AS370 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +47 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 | 55 | 65% |
| 16-30 min | 15 | 18% |
| 31-60 min | 10 | 12% |
| 61-120 min | 3 | 4% |
| 2+ hrs | 2 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 9 | 89% | -5 min |
| 2025-12 | 15 | 33% | +35 min |
| 2026-01 | 6 | 50% | +46 min |
| 2026-03 | 13 | 31% | +21 min |
| 2026-04 | 30 | 83% | -4 min |
| 2026-05 | 12 | 83% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 46% |
| Tue | 12 | 75% |
| Wed | 10 | 70% |
| Thu | 12 | 67% |
| Fri | 12 | 67% |
| Sat | 13 | 62% |
| Sun | 13 | 69% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…