KJ 248 then UA 5877 at O'Hare
Anchorage → Chicago → Omaha
Timetable, Chicago time
14:14KJ 248 from Anchorage at the gate
10:29UA 5877 to Omaha leaves the gate
20 h 15 apart on the timetable, overnight
UA 5877 leaves 20 h 15 after KJ 248 arrives on the timetable: more than half a day, so not a connection we count.