Flight OddsAA4899 GRR → ORD
American Airlines · Grand Rapids, MI to Chicago, IL · 42 flights observed, 2026-04-08 to 2026-05-20 · 137 mi
AA4899 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
88%
Median delay
-18 min
90th percentile
+21 min
Cancellation rate
2%
How often is AA4899 on time?
Across 42 flights on GRR → ORD from 2026-04-08 to 2026-05-20, AA4899 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -18 min, and the worst 10% of flights arrived +21 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 36 | 88% |
| 16-30 min | 1 | 2% |
| 31-60 min | 2 | 5% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 23 | 87% | -4 min |
| 2026-05 | 18 | 89% | -15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 100% |
| Tue | 6 | 83% |
| Wed | 6 | 83% |
| Thu | 5 | 80% |
| Fri | 6 | 83% |
| Sat | 6 | 83% |
| Sun | 6 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…