A flag 'flies' in front of the building. = There is a flag 'flying' in front of the building.
The restaurant 'made a flying start' by filling up on opening night.
After some difficult years, the company is 'flying high' again.
(..) Maybe he was the one who turned them. We can go for the walkers. - Maybe we'll stand a chance. - No. We need to take that thing back with us. There's a raven flying for Dragonstone now. Daenerys is our only chance. No. There's another. Kill him. He turned them all. (..)2017 TvShow: Game of Thrones Title: Beyond the Wall Season: 7 Episode 6