The Turkish Airlines canceled on Wednesday 327 flights scheduled for January 26 and 27 due to the current bad weather. 
The cancelations include 160 flights to Istanbul Ataturk Airport (IST) and 26 flights to Istanbul Sabiha Gokcen Airport (SAW) tomorrow Thursday, January 26, according to a statement by the airline. On Friday 131 flights to the two airports will be rescheduled, the statement said, calling on the travelers to visit the airline's website to get updates on the new schedules.

Source: QNA