DL 2175 then DL 5505 at Atlanta
Washington National → Atlanta → Mobile
Timetable, Atlanta time
08:56DL 2175 from Washington National at the gate
11:26DL 5505 to Mobile leaves the gate
2 h 30 apart on the timetable
The last days
DL 2175 and DL 5505 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.