Turkish Airlines will start its moving operations from Atatürk Airport on 6th of April 2019 at 02:00 (LMT) in order to carry out all scheduled flights from Istanbul (New) Airport.
Once the moving operations completed as of 6th of April 2019 at 14:00 (LMT), all scheduled flights will be carried out from Istanbul (New) Airport. As of 6 of April 2019, Istanbul (New Airport) will be displayed with IST code across reservation systems.
You may access to detailed information regarding Istanbul (New) Airport via this link here.
Below is the new Istanbul Airport Terminal Map