Flight OddsAS313 SEA → DTW
Alaska Airlines · Seattle, WA to Detroit, MI · 362 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 SEA → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
85%
Median delay
-7 min
90th percentile
+23 min
Cancellation rate
0%
How often is AS313 on time?
Across 362 flights on SEA → DTW from 2025-07-01 to 2026-06-30, AS313 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +23 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 | 306 | 85% |
| 16-30 min | 27 | 8% |
| 31-60 min | 13 | 4% |
| 61-120 min | 12 | 3% |
| 2+ hrs | 1 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 83% | +1 min |
| 2025-08 | 31 | 77% | +3 min |
| 2025-09 | 30 | 83% | +1 min |
| 2025-10 | 31 | 84% | +1 min |
| 2025-11 | 29 | 83% | +2 min |
| 2025-12 | 29 | 79% | -1 min |
| 2026-01 | 30 | 80% | +2 min |
| 2026-02 | 28 | 86% | -5 min |
| 2026-03 | 31 | 90% | -10 min |
| 2026-04 | 30 | 93% | -8 min |
| 2026-05 | 31 | 87% | -11 min |
| 2026-06 | 30 | 97% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 82% |
| Tue | 53 | 89% |
| Wed | 52 | 85% |
| Thu | 51 | 90% |
| Fri | 52 | 81% |
| Sat | 49 | 88% |
| Sun | 51 | 82% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…