How long does it take for the first bus from Gongzhufen to Capital Airport?

Driving route Gongzhufen (Xinxing Hotel)-Friendship Hotel (North Gate Air Ticket Office)-North Taipingzhuang (50 meters east of the intersection)-Anzhen Station (under the overpass on the east side of Puppet Theatre)-Xibahe (Ping An Jing Yi Exhibition Hotel)-Terminal 2 of Capital Airport-Capital Airport 1 Terminal 3 of Capital Airport.

The operation time is from 4: 50 to 22: 00, and the departure interval does not exceed 30 minutes. The departure time is always full.

The first bus, at that time, there was no traffic jam and there were few cars. It took about 1 hour to arrive, and with luck it took about 50 minutes.