DL 4235 then DL 9969 at Salt Lake City
St George → Salt Lake City → Los Angeles
Timetable, Salt Lake City time
07:11DL 4235 from St George at the gate
19:30DL 9969 to Los Angeles leaves the gate
12 h 19 apart on the timetable
DL 9969 leaves 12 h 19 after DL 4235 arrives on the timetable: more than half a day, so not a connection we count.