Main Terminal, . Airside, On the 3rd floor of the International Departure Area of Beijing Daxing International Airport, after passing the border, take the elevator down to the 3rd floor and then turn back and follow the "Timed Lounge" sign. Maximum 2 hour stay. Subject to availability. You can be admitted no more than 3 hours before departure and only at the departure terminal. On the 3rd floor of the International Departure Area of Beijing Daxing International Airport, after passing the border, take the elevator down to the 3rd floor and then turn back and follow the "Timed Lounge" sign.