CV 26 then UA 516 at O'Hare
Anchorage → Chicago → St Louis
Timetable, Chicago time
20:23CV 26 from Anchorage at the gate
20:10UA 516 to St Louis leaves the gate
23 h 47 apart on the timetable, overnight
UA 516 leaves 23 h 47 after CV 26 arrives on the timetable: more than half a day, so not a connection we count.