Flight OddsAS409 ORD → SEA
Alaska Airlines · Chicago, IL to Seattle, WA · 106 flights observed, 2025-07-01 to 2026-03-17 · 1,721 mi
AS409 covers more than one route in the data window — the stats below are for ORD → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
55%
Median delay
+10 min
90th percentile
+100 min
Cancellation rate
5%
How often is AS409 on time?
Across 106 flights on ORD → SEA from 2025-07-01 to 2026-03-17, AS409 arrived within 15 minutes of schedule 55% of the time. The median arrival delay was +10 min, and the worst 10% of flights arrived +100 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 56 | 55% |
| 16-30 min | 12 | 12% |
| 31-60 min | 14 | 14% |
| 61-120 min | 14 | 14% |
| 2+ hrs | 5 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 24 | 38% | +34 min |
| 2025-08 | 14 | 43% | +30 min |
| 2026-01 | 20 | 55% | +24 min |
| 2026-02 | 26 | 77% | +7 min |
| 2026-03 | 17 | 59% | +49 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 15 | 60% |
| Tue | 18 | 61% |
| Wed | 17 | 65% |
| Thu | 15 | 27% |
| Fri | 15 | 53% |
| Sat | 5 | 60% |
| Sun | 16 | 63% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…