Dear Sir,

I shall be traveling from Colombo, Sri Lanka to Xi'an Jiaotong University in Xi'an. In Beijing, I shall have to change from SriLankan Airline (UL)to AirChina.
Please tell me both flight are operates in same Airport and same terminal?. Is the departure gate of Chinaair going to Xi'an Xianyang in the same terminal and same floor or different terminal? and how to reach the departure gate? Please let me know minium connecting time.

Thanking you.

Mr Rohan