CV 12 then AA 3081 at O'Hare
Anchorage → Chicago → Las Vegas
Timetable, Chicago time
19:11CV 12 from Anchorage at the gate
15:00AA 3081 to Las Vegas leaves the gate
19 h 49 apart on the timetable, overnight
AA 3081 leaves 19 h 49 after CV 12 arrives on the timetable: more than half a day, so not a connection we count.