DL 8839 then LF 7510 at Phoenix
Calgary → Phoenix → Salt Lake City
Timetable, Phoenix time
09:55DL 8839 from Calgary at the gate
11:00LF 7510 to Salt Lake City leaves the gate
1 h 05 apart on the timetable
The last days
DL 8839 and LF 7510 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.