Flight OddsPHL → SEA Alaska Airlines
Alaska Airlines · Philadelphia, PA to Seattle, WA · 656 flights, 2025-07-01 to 2026-06-30 · aggregated across 9 flight numbers
On-time arrival
67%
Median delay
+1 min
90th percentile
+58 min
Cancellation rate
2%
How on-time is Alaska Airlines from PHL to SEA?
Across every Alaska Airlines flight number on PHL → SEA (656 flights, 2025-07-01 to 2026-06-30), 67% arrived within 15 minutes of schedule. Median arrival delay +1 min; the worst 10% ran +58 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 431 | 67% |
| 16-30 min | 75 | 12% |
| 31-60 min | 77 | 12% |
| 61-120 min | 45 | 7% |
| 2+ hrs | 17 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 59 | 51% | +39 min |
| 2025-08 | 61 | 62% | +12 min |
| 2025-09 | 60 | 80% | -4 min |
| 2025-10 | 60 | 65% | +10 min |
| 2025-11 | 58 | 79% | +1 min |
| 2025-12 | 62 | 39% | +28 min |
| 2026-01 | 36 | 69% | +13 min |
| 2026-02 | 28 | 89% | -4 min |
| 2026-03 | 43 | 37% | +26 min |
| 2026-04 | 59 | 80% | 0 min |
| 2026-05 | 61 | 82% | +3 min |
| 2026-06 | 58 | 74% | +6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 94 | 57% |
| Tue | 96 | 79% |
| Wed | 91 | 69% |
| Thu | 91 | 62% |
| Fri | 88 | 63% |
| Sat | 94 | 65% |
| Sun | 91 | 73% |
AS flight numbers on PHL → SEA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…