BR 646 then UA 2384 at O'Hare
Anchorage → Chicago → San Diego
Timetable, Chicago time
17:10BR 646 from Anchorage at the gate
12:40UA 2384 to San Diego leaves the gate
19 h 30 apart on the timetable, overnight
UA 2384 leaves 19 h 30 after BR 646 arrives on the timetable: more than half a day, so not a connection we count.