BR 654 then K4 578 at O'Hare
Anchorage → Chicago → Seoul
Timetable, Chicago time
13:40BR 654 from Anchorage at the gate
18:00K4 578 to Seoul leaves the gate
4 h 20 apart on the timetable
The last days
BR 654 and K4 578 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.