F9 2526 then DL 4263 at Salt Lake City
Phoenix Sky Harbor → Salt Lake City → St George
Timetable, Salt Lake City time
18:57F9 2526 from Phoenix Sky Harbor at the gate
17:25DL 4263 to St George leaves the gate
22 h 28 apart on the timetable, overnight
DL 4263 leaves 22 h 28 after F9 2526 arrives on the timetable: more than half a day, so not a connection we count.