UA 1900 then AF 2104 at Newark
Seattle → New York → Atlanta
Timetable, New York time
14:42UA 1900 from Seattle at the gate
15:21AF 2104 to Atlanta leaves the gate
39 min apart on the timetable
Today
From the airport’s board at 14:23 New York time
14:28UA 1900 expected at the gate14 min early
15:21AF 2104 due to leave, no estimate yet
53 min between the gates, on these times
The last days
UA 1900 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.