More than 60 flights have been cancelled or delayed at Moscow airports. According to Yandex.Schedules, as of 11:20 AM (Moscow time) on December 12, 41 flights will not depart on time, and another 20 have been cancelled.

Thus, 12 flights were delayed at Vnukovo Airport. At Domodedovo International Airport, 19 flights were delayed and 20 were canceled. At Sheremetyevo Airport, 10 flights were delayed.
In turn, the Zhukovsky airport operates in normal mode.
Source: trn-news.ru