AV 2183 then AC 4309 at San Francisco
Vancouver → San Francisco → Santa Ana
Timetable, San Francisco time
15:27AV 2183 from Vancouver at the gate
15:05AC 4309 to Santa Ana leaves the gatealso UA 4631, VA 8494
23 h 38 apart on the timetable, overnight
AC 4309 leaves 23 h 38 after AV 2183 arrives on the timetable: more than half a day, so not a connection we count.