UA 6239 then AA 4142 at Charlotte
Washington → Charlotte → Greensboro
Timetable, Charlotte time
14:22UA 6239 from Washington at the gate
17:54AA 4142 to Greensboro leaves the gate
3 h 32 apart on the timetable
The last days
UA 6239 and AA 4142 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.