VS 115 then WN 257 at Atlanta
London → Atlanta → Washington National
Timetable, Atlanta time
14:25VS 115 from London at the gate
17:40WN 257 to Washington National leaves the gate
3 h 15 apart on the timetable
The last days
VS 115 and WN 257 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.