Leave before 9 am: 83% depart on time. After 4 pm it’s 3 in 5.
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 8 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 4104flown by Envoy | ORD 07:05 | STL 08:31 | 1h 27m | 71 | 96% | 0.0% | 50 min |
| AA 6352flown by SkyWest | ORD 11:32 | STL 12:57 | 1h 26m | 72 | 75% | 2.8% | 81 min |
| AA 6447flown by SkyWest | ORD 12:30 | STL 13:56 | 1h 26m | 15 | 80% | 0.0% | 90 min |
| AA 3815flown by Envoy | ORD 12:32 | STL 13:55 | 1h 23m | 67 | 86% | 1.5% | 38 min |
| AA 4537flown by Republic | ORD 15:07 | STL 16:40 | 1h 33m | 72 | 80% | 4.2% | 64 min |
| AA 4144flown by Envoy | ORD 18:17 | STL 19:44 | 1h 27m | 72 | 60% | 6.9% | 50 min |
| AA 439 | ORD 19:10 | STL 20:32 | 1h 22m | 15 | 67% | 0.0% | 47 min |
| AA 1004 | ORD 23:00 | STL 00:16 | 1h 16m | 72 | 58% | 6.9% | 80 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 | ORD | STL | 1h 24m | 71% | 3.4% | 2,114 | 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