Professionally? Completely unacceptable. Talk to your employees about the importance of timeliness, and act if they don't respond to suggestion. Personally?

Professionally? Completely unacceptable. Talk to your employees about the importance of timeliness, and act if they don't respond to suggestion. Personally? Chill the fuck out. There are a great many things in life more important than having a few drinks with you, or coming to your party. If there is no specific time pressure (e.g. a movie start time), then recognizing the distinctly lower priority of precision in socializing is pretty fundamental to a successful interaction with others.