AA 2614 then BR 643 at O'Hare
San Francisco → Chicago → Anchorage
Timetable, Chicago time
12:29AA 2614 from San Francisco at the gate
11:55BR 643 to Anchorage leaves the gate
23 h 26 apart on the timetable, overnight
BR 643 leaves 23 h 26 after AA 2614 arrives on the timetable: more than half a day, so not a connection we count.