Kill time

She had nothing better to do, so she went to the bowling alley to kill time.

Source: wiktionary

Mrs. Autumn […] lay in bed always till it was very late this being one of those happy expedients for killing time (as the fashionable phrase is) which, to discover, employs the inventions of persons of rank and fortune.

Source: wiktionary

I had no intention of delivering my letter at the present moment, nor have I. But strolling on to the Bank to kill time, and having the good fortune to observe at the window […] a lady of a very superior and agreeable appearance, I considered that I could not do better than take the liberty of asking that lady where Mr. Bounderby the Banker does live.

Source: wiktionary

You were still out, so she drove back downtown and went to a movie to kill time until after midnight, when she thought she’d be more likely to find you in.

Source: wiktionary