UA 4672 then K4 810 at O'Hare
Lexington → Chicago → Anchorage
Timetable, Chicago time
07:56UA 4672 from Lexington at the gate
04:00K4 810 to Anchorage leaves the gate
20 h 04 apart on the timetable, overnight
K4 810 leaves 20 h 04 after UA 4672 arrives on the timetable: more than half a day, so not a connection we count.