K4 537 then UA 398 at O'Hare
Anchorage → Chicago → New York LaGuardia
Timetable, Chicago time
23:39K4 537 from Anchorage at the gate
15:00UA 398 to New York LaGuardia leaves the gate
15 h 21 apart on the timetable, overnight
UA 398 leaves 15 h 21 after K4 537 arrives on the timetable: more than half a day, so not a connection we count.