BR 654 then AA 3726 at O'Hare
Anchorage → Chicago → Dayton
Timetable, Chicago time
13:40BR 654 from Anchorage at the gate
16:20AA 3726 to Dayton leaves the gate
2 h 40 apart on the timetable
The last days
BR 654 and AA 3726 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.