Flight OddsAS313 DTW → SEA
Alaska Airlines · Detroit, MI to Seattle, WA · 324 flights observed, 2025-07-01 to 2026-06-30 · 1,927 mi
AS313 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
73%
Median delay
-1 min
90th percentile
+41 min
Cancellation rate
0%
How often is AS313 on time?
Across 324 flights on DTW → SEA from 2025-07-01 to 2026-06-30, AS313 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +41 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 | 234 | 73% |
| 16-30 min | 42 | 13% |
| 31-60 min | 28 | 9% |
| 61-120 min | 14 | 4% |
| 2+ hrs | 4 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 27 | 70% | +15 min |
| 2025-08 | 26 | 58% | +15 min |
| 2025-09 | 26 | 77% | -1 min |
| 2025-10 | 30 | 80% | +1 min |
| 2025-11 | 29 | 69% | +9 min |
| 2025-12 | 26 | 42% | +30 min |
| 2026-01 | 29 | 83% | -3 min |
| 2026-02 | 28 | 82% | -7 min |
| 2026-03 | 31 | 55% | +16 min |
| 2026-04 | 21 | 90% | -3 min |
| 2026-05 | 19 | 84% | -9 min |
| 2026-06 | 30 | 87% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 49 | 78% |
| Tue | 50 | 78% |
| Wed | 47 | 66% |
| Thu | 45 | 67% |
| Fri | 49 | 73% |
| Sat | 34 | 82% |
| Sun | 48 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…