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.
(..) Give me your arm. What is that? Your tracker. Less than a minute people! Final checks. So fifteen up, they are flying. Here. Thank you. seconds. I'm not allowed to bet. But if i could I'd bet on you! (..)2012 The Hunger Games