AA 2306 then K4 996 at O'Hare
Washington National → Chicago → Anchorage
Timetable, Chicago time
12:59AA 2306 from Washington National at the gate
04:15K4 996 to Anchorage leaves the gate
15 h 16 apart on the timetable, overnight
K4 996 leaves 15 h 16 after AA 2306 arrives on the timetable: more than half a day, so not a connection we count.