After studying the HK hotels more – we learned about a new Runway 3 (I would call it a Terminal 3) that is set to open in 2022, 2024.
Here’s the public timeline, which can be found on the official Project website
2011
Public consultation of HKIA Master Plan 2030
2014
Approval of the Environmental Impact Assessment report and issue of the Environmental Permit
2016
Commencement of the construction of the three-runway system
2018
Completion of the installation of two new 5.2-kilometre aviation fuel pipelines using the environmentally-friendly horizontal directional drilling technique
2020
Completion of reclamation
2022
Opening of the new North Runway
2024
Completion of the three-runway system