B6 833 then UA 1284 at San Francisco
Boston → San Francisco → Newark
Timetable, San Francisco time
13:16B6 833 from Boston at the gatealso FI 7969
14:00UA 1284 to Newark leaves the gate
44 min apart on the timetable
The last days
B6 833 and UA 1284 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.