Originally Posted by
JPDM
Actually you are inaccurate after this. You are probably buying your smart card at 12h30 but you'll have to wait for the next train 10 to 20 minutes. Then the ride to Dongzhimen is 35 minutes. Then figure 15 minutes to exit and find the bus (I am being optimistic on this last part).
I'm using T3, not T2, interval time between trains is supposed to be 12 minutes but it wouldn't surprise me if it was a little longer in the afternoon.
Thanks for pointing out the longer estimated journey time, I may not have realised this if I was flying into T2 at PEK.