AV 2183 then AC 4187 at San Francisco
Vancouver → San Francisco → Santa Ana
Timetable, San Francisco time
15:27AV 2183 from Vancouver at the gate
13:45AC 4187 to Santa Ana leaves the gatealso UA 5440, VA 8491
22 h 18 apart on the timetable, overnight
AC 4187 leaves 22 h 18 after AV 2183 arrives on the timetable: more than half a day, so not a connection we count.