i arrive at international airport in BEIJING 1st of Augustat 9 am
After , i,m going to TIANJIN port to take cruise ( depart at 4.30 pm )

The best way to reach the port of TIANJIN from BEIJING INTERNATIONAL AIRPORT IS ???
1.- Bus 3 to the south railway station from the airport ???
2.- traim to TIANJIN about 30 minutes ???
3.- Tianjin railway station to port by bus , about 60 km more or less ???

how long in total since my arrival at Beijing international airpot to Tianjin port???

thank you very much