UA 202 then DL 2434 at Atlanta
Chicago O'Hare → Atlanta → Philadelphia
Timetable, Atlanta time
12:14UA 202 from Chicago O'Hare at the gate
14:45DL 2434 to Philadelphia leaves the gate
2 h 31 apart on the timetable
The last days
UA 202 and DL 2434 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.