AA 5046 then UA 3757 at Dulles
Johnstown → Washington → Buffalo
Timetable, Washington time
06:46AA 5046 from Johnstown at the gate
17:00UA 3757 to Buffalo leaves the gate
10 h 14 apart on the timetable
The last days
AA 5046 and UA 3757 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.