F9 2524 then DL 4263 at Salt Lake City
Phoenix Sky Harbor → Salt Lake City → St George
Timetable, Salt Lake City time
18:00F9 2524 from Phoenix Sky Harbor at the gate
17:25DL 4263 to St George leaves the gate
23 h 25 apart on the timetable, overnight
DL 4263 leaves 23 h 25 after F9 2524 arrives on the timetable: more than half a day, so not a connection we count.