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.
(..) Catch me if you can. Up you go. Up you go. Oh, my goodness. Kill the motor, dude. Let us see what Squirt does flying solo. That was so cool. Hey, Dad. Did you see that? Did you see me? - Did you see what l did? - You so totally rock, Squirt. (..)2003 Finding Nemo