UA 905 then AF 2104 at Newark
London → New York → Atlanta
Timetable, New York time
12:40UA 905 from London at the gate
15:21AF 2104 to Atlanta leaves the gate
2 h 41 apart on the timetable
The last days
UA 905 and AF 2104 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.