UA 600 then K4 996 at O'Hare
Omaha → Chicago → Anchorage
Timetable, Chicago time
13:08UA 600 from Omaha at the gate
04:15K4 996 to Anchorage leaves the gate
15 h 07 apart on the timetable, overnight
K4 996 leaves 15 h 07 after UA 600 arrives on the timetable: more than half a day, so not a connection we count.