Leave before 9 am: 86% depart on time. After 4 pm it’s 2 in 3.
Time of day × airport
Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).
Pick an hour to see this route’s flights leaving then.
Flights, best and worst
Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
No American flight on this route ran 150+ times in the year.
All 6 American flights in the current schedule
Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
| AA 1391 | GRR 06:00 | ORD 06:13 | 1h 13m | 41 | 87% | 4.9% | 355 min |
| AA 2502 | GRR 06:00 | ORD 06:07 | 1h 07m | 30 | 70% | 0.0% | 69 min |
| AA 6391flown by SkyWest | GRR 10:10 | ORD 10:32 | 1h 23m | 72 | 86% | 2.8% | 89 min |
| AA 3553flown by Envoy | GRR 14:35 | ORD 14:54 | 1h 19m | 69 | 79% | 1.4% | 58 min |
| AA 3715flown by Envoy | GRR 17:28 | ORD 17:52 | 1h 24m | 77 | 75% | 5.2% | 64 min |
| AA 4729flown by Republic | GRR 19:54 | ORD 20:37 | 1h 43m | 72 | 67% | 11.1% | 62 min |
Nonstops by airline and airport
Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
| American | GRR | ORD | 1h 15m | 71% | 3.7% | 1,936 | Flying now |
About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON