K4 579 then AA 9974 at O'Hare
Anchorage → Chicago → Dayton
Timetable, Chicago time
03:20K4 579 from Anchorage at the gate
14:00AA 9974 to Dayton leaves the gate
10 h 40 apart on the timetable
The last days
K4 579 and AA 9974 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.