CHENNAI, July 30: The departure of the Alliance Air flight CD 537 scheduled to leave today at 1.05 pm was delayed by more than two hours as the pilot, Captain Mallick was having a chat in the Movement Control office, according to sources. In a report on the cause for the delay the pilot complained that the vehicle to take him to the aicraft had not arrived, while all the time it was at the bay, which was just five minutes from the Movement Control room.