Flight OddsAA366 ORD → SEA
American Airlines · Chicago, IL to Seattle, WA · 12 flights observed, 2026-01-31 to 2026-02-11 · 1,721 mi
AA366 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
83%
Median delay
-3 min
90th percentile
+26 min
Cancellation rate
0%
How often is AA366 on time?
Across 12 flights on ORD → SEA from 2026-01-31 to 2026-02-11, AA366 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +26 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 | 10 | 83% |
| 16-30 min | 1 | 8% |
| 31-60 min | 1 | 8% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 1 | 0% | +50 min |
| 2026-02 | 11 | 91% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 100% |
| Tue | 2 | 100% |
| Wed | 2 | 100% |
| Thu | 1 | 0% |
| Fri | 1 | 100% |
| Sat | 2 | 50% |
| Sun | 2 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…