Flight OddsAS375 IAD → SEA
Alaska Airlines · Washington, DC to Seattle, WA · 165 flights observed, 2025-07-01 to 2026-06-09 · 2,305 mi
AS375 covers more than one route in the data window — the stats below are for IAD → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
87%
Median delay
-6 min
90th percentile
+19 min
Cancellation rate
1%
How often is AS375 on time?
Across 165 flights on IAD → SEA from 2025-07-01 to 2026-06-09, AS375 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +19 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 | 143 | 87% |
| 16-30 min | 10 | 6% |
| 31-60 min | 5 | 3% |
| 61-120 min | 5 | 3% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 73% | +18 min |
| 2025-08 | 31 | 84% | -2 min |
| 2025-09 | 30 | 97% | -9 min |
| 2025-10 | 25 | 88% | -4 min |
| 2026-04 | 8 | 88% | -6 min |
| 2026-05 | 31 | 90% | -8 min |
| 2026-06 | 9 | 100% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 23 | 74% |
| Tue | 24 | 92% |
| Wed | 23 | 87% |
| Thu | 24 | 92% |
| Fri | 24 | 83% |
| Sat | 23 | 91% |
| Sun | 23 | 91% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…