Flight OddsAS381 DTW → SEA
Alaska Airlines · Detroit, MI to Seattle, WA · 145 flights observed, 2025-07-01 to 2026-06-09 · 1,927 mi
AS381 covers more than one route in the data window — the stats below are for DTW → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
85%
Median delay
-4 min
90th percentile
+29 min
Cancellation rate
1%
How often is AS381 on time?
Across 145 flights on DTW → SEA from 2025-07-01 to 2026-06-09, AS381 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +29 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 | 123 | 85% |
| 16-30 min | 7 | 5% |
| 31-60 min | 8 | 6% |
| 61-120 min | 6 | 4% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 77% | +6 min |
| 2025-08 | 31 | 74% | +6 min |
| 2025-09 | 30 | 97% | -8 min |
| 2025-10 | 4 | 100% | -16 min |
| 2026-04 | 9 | 100% | -12 min |
| 2026-05 | 31 | 90% | -2 min |
| 2026-06 | 9 | 78% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 19 | 84% |
| Tue | 21 | 95% |
| Wed | 21 | 90% |
| Thu | 21 | 95% |
| Fri | 21 | 76% |
| Sat | 21 | 81% |
| Sun | 20 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…