DL 417 then DL 2153 at Atlanta
Las Vegas → Atlanta → Philadelphia
Timetable, Atlanta time
05:00DL 417 from Las Vegas at the gate
07:30DL 2153 to Philadelphia leaves the gate
2 h 30 apart on the timetable
The last days
DL 417 and DL 2153 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.