Flight OddsAS277 PHL → SEA
Alaska Airlines · Philadelphia, PA to Seattle, WA · 21 flights observed, 2026-06-10 to 2026-06-30 · 2,379 mi
AS277 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
71%
Median delay
+6 min
90th percentile
+35 min
Cancellation rate
0%
How often is AS277 on time?
Across 21 flights on PHL → SEA from 2026-06-10 to 2026-06-30, AS277 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was +6 min, and the worst 10% of flights arrived +35 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 | 15 | 71% |
| 16-30 min | 2 | 10% |
| 31-60 min | 4 | 19% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-06 | 21 | 71% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 67% |
| Tue | 3 | 100% |
| Wed | 3 | 100% |
| Thu | 3 | 0% |
| Fri | 3 | 100% |
| Sat | 3 | 100% |
| Sun | 3 | 33% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…