Flight OddsAA4055 GRR → ORD
American Airlines · Grand Rapids, MI to Chicago, IL · 32 flights observed, 2026-01-06 to 2026-02-11 · 137 mi
AA4055 covers more than one route in the data window — the stats below are for GRR → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
58%
Median delay
+9 min
90th percentile
+83 min
Cancellation rate
3%
How often is AA4055 on time?
Across 32 flights on GRR → ORD from 2026-01-06 to 2026-02-11, AA4055 arrived within 15 minutes of schedule 58% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +83 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 18 | 58% |
| 16-30 min | 2 | 6% |
| 31-60 min | 6 | 19% |
| 61-120 min | 3 | 10% |
| 2+ hrs | 2 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 21 | 62% | +19 min |
| 2026-02 | 10 | 50% | +31 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 40% |
| Tue | 6 | 67% |
| Wed | 5 | 100% |
| Thu | 5 | 80% |
| Fri | 5 | 20% |
| Sat | No data | — |
| Sun | 5 | 40% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…