AV 2351 then AC 4309 at San Francisco
Denver → San Francisco → Santa Ana
Timetable, San Francisco time
23:09AV 2351 from Denver at the gate
15:05AC 4309 to Santa Ana leaves the gatealso AS 4631, UA 4631, VA 8494
15 h 56 apart on the timetable, overnight
AC 4309 leaves 15 h 56 after AV 2351 arrives on the timetable: more than half a day, so not a connection we count.