HU 730 then CA 813 at Beijing
Boston → Beijing → Xi'an
Timetable, Beijing time
04:30HU 730 from Boston at the gate
10:00CA 813 to Xi'an leaves the gate
5 h 30 apart on the timetable
The last days
HU 730 and CA 813 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.