DL 580 then DL 1304 at Salt Lake City
Raleigh-Durham → Salt Lake City → Santa Ana
Timetable, Salt Lake City time
09:57DL 580 from Raleigh-Durham at the gate
21:59DL 1304 to Santa Ana leaves the gate
12 h 02 apart on the timetable
DL 1304 leaves 12 h 02 after DL 580 arrives on the timetable: more than half a day, so not a connection we count.