UA 1341 then AA 1837 at San Francisco
Detroit → San Francisco → Phoenix
Timetable, San Francisco time
19:31UA 1341 from Detroit at the gatealso OZ 9538
16:00AA 1837 to Phoenix leaves the gatealso QR 9224
20 h 29 apart on the timetable, overnight
AA 1837 leaves 20 h 29 after UA 1341 arrives on the timetable: more than half a day, so not a connection we count.