AV 2351 then AC 4187 at San Francisco
Denver → San Francisco → Santa Ana
Timetable, San Francisco time
23:09AV 2351 from Denver at the gate
13:45AC 4187 to Santa Ana leaves the gatealso VA 8491
14 h 36 apart on the timetable, overnight
AC 4187 leaves 14 h 36 after AV 2351 arrives on the timetable: more than half a day, so not a connection we count.