UA 8102 then LY 4444 at San Francisco
Newark → San Francisco → New York JFK
Timetable, San Francisco time
18:37UA 8102 from Newark at the gate
22:25LY 4444 to New York JFK leaves the gate
3 h 48 apart on the timetable
The last days
UA 8102 and LY 4444 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.