AA 2363 then K4 996 at O'Hare
Denver → Chicago → Anchorage
Timetable, Chicago time
16:00AA 2363 from Denver at the gate
03:45K4 996 to Anchorage leaves the gate
11 h 45 apart on the timetable, overnight
The last days
AA 2363 and K4 996 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.