Flight OddsAA4666 ORD → GRR
American Airlines · Chicago, IL to Grand Rapids, MI · 10 flights observed, 2025-12-26 to 2026-01-04 · 137 mi
AA4666 covers more than one route in the data window — the stats below are for ORD → GRR, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
75%
Median delay
-15 min
90th percentile
+40 min
Cancellation rate
20%
How often is AA4666 on time?
Across 10 flights on ORD → GRR from 2025-12-26 to 2026-01-04, AA4666 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +40 min or later. 20% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 6 | 75% |
| 16-30 min | 1 | 13% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 13% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 4 | 50% | +15 min |
| 2026-01 | 4 | 100% | -17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | No data | — |
| Wed | 1 | 0% |
| Thu | 1 | 100% |
| Fri | 2 | 100% |
| Sat | 2 | 100% |
| Sun | 2 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…