Flight OddsAS387 MSP → SEA
Alaska Airlines · Minneapolis, MN to Seattle, WA · 353 flights observed, 2025-07-01 to 2026-06-30 · 1,399 mi
AS387 covers more than one route in the data window — the stats below are for MSP → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
85%
Median delay
-13 min
90th percentile
+22 min
Cancellation rate
1%
How often is AS387 on time?
Across 353 flights on MSP → SEA from 2025-07-01 to 2026-06-30, AS387 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +22 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 | 297 | 85% |
| 16-30 min | 28 | 8% |
| 31-60 min | 13 | 4% |
| 61-120 min | 2 | 1% |
| 2+ hrs | 9 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 94% | -12 min |
| 2025-08 | 31 | 97% | -24 min |
| 2025-09 | 30 | 100% | -25 min |
| 2025-10 | 30 | 93% | -10 min |
| 2025-11 | 20 | 90% | -2 min |
| 2025-12 | 30 | 53% | +27 min |
| 2026-01 | 31 | 71% | +16 min |
| 2026-02 | 27 | 74% | -1 min |
| 2026-03 | 28 | 64% | +8 min |
| 2026-04 | 30 | 97% | -22 min |
| 2026-05 | 31 | 97% | -10 min |
| 2026-06 | 30 | 90% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 50 | 86% |
| Tue | 52 | 87% |
| Wed | 51 | 84% |
| Thu | 51 | 84% |
| Fri | 48 | 88% |
| Sat | 49 | 86% |
| Sun | 48 | 81% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…