dy777Flht history for DY777. Hotels in Oslo. More Travel Options. In-flht Amenities. Boeing 737-800. Age. 10y, 6m. Seats. Up to 189. Distance Flown--Economy. Amenities. None.Flht DY777 from Trondheim to Oslo is operated by Norwegian Air Shuttle. Scheduled time of departure from Vaernes is 20:20 CEST and scheduled time of arrival in Gardermoen is 21:15