K4 551 then JL 10 at O'Hare
Anchorage → Chicago → St Louis
Timetable, Chicago time
16:28K4 551 from Anchorage at the gate
16:00JL 10 to St Louis leaves the gate
23 h 32 apart on the timetable, overnight
JL 10 leaves 23 h 32 after K4 551 arrives on the timetable: more than half a day, so not a connection we count.