Turkish Airlines in the 2nd quarter of 2019 is temporary adjusting service to Dubai, due to runway maintenance project. As of 17OCT18, planned service adjustment between 16APR19 and 30MAY19 as follows.
Istanbul (IST) – Dubai Reduce from 14 to 12 weekly
Istanbul Sabiha Gokcen (SAW) – Dubai 10 weekly temporary suspended for the moment
Additional changes remain possible in the next few weeks.