AA 9950 then K4 590 at O'Hare
Philadelphia → Chicago → Anchorage
Timetable, Chicago time
13:49AA 9950 from Philadelphia at the gate
17:45K4 590 to Anchorage leaves the gate
3 h 56 apart on the timetable
The last days
AA 9950 and K4 590 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.