CV 12 then AA 3646 at O'Hare
Anchorage → Chicago → Tulsa
Timetable, Chicago time
19:11CV 12 from Anchorage at the gate
19:05AA 3646 to Tulsa leaves the gate
23 h 54 apart on the timetable, overnight
AA 3646 leaves 23 h 54 after CV 12 arrives on the timetable: more than half a day, so not a connection we count.