Flight OddsAA3618 GRR → ORD
American Airlines · Grand Rapids, MI to Chicago, IL · 44 flights observed, 2026-04-07 to 2026-05-20 · 137 mi
AA3618 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
70%
Median delay
-5 min
90th percentile
+67 min
Cancellation rate
2%
How often is AA3618 on time?
Across 44 flights on GRR → ORD from 2026-04-07 to 2026-05-20, AA3618 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +67 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 | 30 | 70% |
| 16-30 min | 4 | 9% |
| 31-60 min | 3 | 7% |
| 61-120 min | 2 | 5% |
| 2+ hrs | 4 | 9% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 24 | 63% | +21 min |
| 2026-05 | 19 | 79% | +17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 40% |
| Tue | 7 | 57% |
| Wed | 7 | 71% |
| Thu | 6 | 67% |
| Fri | 6 | 67% |
| 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…