DL 12 then DL 4626 at LAX
Melbourne → Los Angeles → Calgary
Timetable, Los Angeles time
05:55DL 12 from Melbourne at the gate
09:20DL 4626 to Calgary leaves the gate
3 h 25 apart on the timetable
The last days
DL 12 and DL 4626 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.