LA 6139 then BR 1017 at San Francisco
Boston → San Francisco → Taipei
Timetable, San Francisco time
00:24LA 6139 from Boston at the gate
00:40BR 1017 to Taipei leaves the gatealso TG 6280
16 min apart on the timetable
The last days
LA 6139 and BR 1017 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.