WN 3669 then LY 4668 at San Francisco
San Diego → San Francisco → Boston
Timetable, San Francisco time
08:25WN 3669 from San Diego at the gate
12:55LY 4668 to Boston leaves the gate
4 h 30 apart on the timetable
The last days
WN 3669 and LY 4668 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.