AV 2351 then AS 523 at San Francisco
Denver → San Francisco → Santa Ana
Timetable, San Francisco time
19:11AV 2351 from Denver at the gate
16:17AS 523 to Santa Ana leaves the gatealso QR 2120, QR 8871, QR 8882, AA 9343
21 h 06 apart on the timetable, overnight
AS 523 leaves 21 h 06 after AV 2351 arrives on the timetable: more than half a day, so not a connection we count.