K4 537 then UA 247 at O'Hare
Anchorage → Chicago → Omaha
Timetable, Chicago time
23:39K4 537 from Anchorage at the gate
12:40UA 247 to Omaha leaves the gate
13 h 01 apart on the timetable, overnight
UA 247 leaves 13 h 01 after K4 537 arrives on the timetable: more than half a day, so not a connection we count.