UA 353 then K4 810 at O'Hare
Los Angeles → Chicago → Anchorage
Timetable, Chicago time
05:20UA 353 from Los Angeles at the gate
04:00K4 810 to Anchorage leaves the gate
22 h 40 apart on the timetable, overnight
K4 810 leaves 22 h 40 after UA 353 arrives on the timetable: more than half a day, so not a connection we count.