Originally Posted by
UNITED959
Ten minutes? That is expert time.
Consider 5-7 minutes to get from C gate to train platform. 5 minutes of wait time for the train. 4-5 minutes on the train from T1 to T5. Security at T5 of 5-15 minutes.
Allow yourself at least 30-45 minutes, gate to gate.
+1. ATS frequency in off hours (between 10pm and 6am) is pretty bad. Add extra time if you have large bags and will need to use elevators.