CV 251 then AA 793 at O'Hare
Anchorage → Chicago → Phoenix
Timetable, Chicago time
19:00CV 251 from Anchorage at the gate
10:10AA 793 to Phoenix leaves the gate
15 h 10 apart on the timetable, overnight
AA 793 leaves 15 h 10 after CV 251 arrives on the timetable: more than half a day, so not a connection we count.