AA 6325 then 5Y 855 at O'Hare
Detroit → Chicago → Seoul
Timetable, Chicago time
22:00AA 6325 from Detroit at the gate
01:305Y 855 to Seoul leaves the gate
3 h 30 apart on the timetable, overnight
The last days
AA 6325 and 5Y 855 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.