CV 251 then AA 2809 at O'Hare
Anchorage → Chicago → Miami
Timetable, Chicago time
19:00CV 251 from Anchorage at the gate
10:14AA 2809 to Miami leaves the gate
15 h 14 apart on the timetable, overnight
AA 2809 leaves 15 h 14 after CV 251 arrives on the timetable: more than half a day, so not a connection we count.