AC 3338 then CZ 1639 at San Francisco
Portland (Oregon) → San Francisco → Miami
Timetable, San Francisco time
10:55AC 3338 from Portland (Oregon) at the gate
23:47CZ 1639 to Miami leaves the gatealso AA 1844, PR 3934, QF 4121, G3 6252, IB 8568
12 h 52 apart on the timetable
CZ 1639 leaves 12 h 52 after AC 3338 arrives on the timetable: more than half a day, so not a connection we count.