AS485 CHS → SEA
Alaska Airlines · Charleston, SC to Seattle, WA · 147 flights observed, 2025-07-01 to 2026-01-06 · 2,415 mi
AS485 covers more than one route in the data window — the stats below are for CHS → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
69%
Median delay
+3 min
90th percentile
+50 min
Cancellation rate
1%
How often is AS485 on time?
Across 147 flights on CHS → SEA from 2025-07-01 to 2026-01-06, AS485 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +50 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 100 | 69% |
| 16-30 min | 21 | 14% |
| 31-60 min | 11 | 8% |
| 61-120 min | 9 | 6% |
| 2+ hrs | 4 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 53% | +24 min |
| 2025-08 | 31 | 71% | +10 min |
| 2025-09 | 30 | 87% | +4 min |
| 2025-10 | 24 | 67% | +13 min |
| 2025-11 | 9 | 89% | -6 min |
| 2025-12 | 15 | 47% | +21 min |
| 2026-01 | 6 | 83% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 21 | 52% |
| Tue | 21 | 81% |
| Wed | 20 | 75% |
| Thu | 19 | 68% |
| Fri | 22 | 77% |
| Sat | 21 | 76% |
| Sun | 21 | 52% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…