This is the 16563rd most frequent Polish word.
wleciały
"Wleciały" means "they flew in" or "entered by flying."
Wleciały is used in the context of birds flying into a room through a window, indicating movement from outside to inside.
Ptaki wleciały przez otwarte okno.
Birds flew in through the open window.
Wleciały describes small insects entering a room, utilizing the verb in a set spatial movement action.
Dwa komary wleciały do pokoju, kiedy drzwi były otwarte.
Two mosquitoes flew into the room when the door was open.
Wleciały refers to the act of airplanes moving into a specific, prohibited location or space.