UA 4575 then UA 6230 at Dulles
Philadelphia → Washington → Buffalo
Timetable, Washington time
16:18UA 4575 from Philadelphia at the gate
22:19UA 6230 to Buffalo leaves the gate
6 h 01 apart on the timetable
The last days
UA 4575 and UA 6230 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.
Later flights to Buffalo
No later flight to Buffalo on the timetable.