BR 637 then ZE 882 at Taipei
New York JFK → Taipei → Seoul
Timetable, Taipei time
06:30BR 637 from New York JFK at the gate
10:45ZE 882 to Seoul leaves the gate
4 h 15 apart on the timetable
The last days
BR 637 and ZE 882 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.