According to one of the passengers, the people who were with her on the plane were released from the aircraft into the airport building only after 16:00.
It is noted that the terminal is overcrowded - and many passengers have to sit on the floor.
According to another passenger Vsevolod, who was flying to Moscow from Anapa, passengers were given food coupons, but many managed to eat only after seven hours of waiting.
At the same time, the press service of the airport said that the delayed flights are sent to Moscow according to the capacity of the capital's airports.
Earlier it was reported that the Volga Transport Prosecutor's Office will take measures following the consideration of complaints from passengers flying to Moscow, but landed in Nizhny Novgorod because of the fog.
The authorities of the Nizhny Novgorod region have formed an operational headquarters to monitor the situation to provide assistance to aircraft passengers awaiting departure from the airport in Nizhny Novgorod.
In social networks, passengers posted videos filmed in different planes, on which they were told that they were not allowed to leave the planes on the runway in Nizhny Novgorod for six to eight hours, and were not given food or water.