AV 2351 then AS 3494 at San Francisco
Denver → San Francisco → Santa Ana
Timetable, San Francisco time
19:11AV 2351 from Denver at the gate
14:04AS 3494 to Santa Ana leaves the gatealso JL 5459, AA 9298
18 h 53 apart on the timetable, overnight
AS 3494 leaves 18 h 53 after AV 2351 arrives on the timetable: more than half a day, so not a connection we count.