UA 641 then UA 3519 at Dulles
Atlanta (ATL) → Washington → Jacksonville
Timetable, Washington time
07:18UA 641 from Atlanta (ATL) at the gate
08:20UA 3519 to Jacksonville leaves the gate
1 h 02 apart on the timetable
The last days
UA 641 and UA 3519 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.