We may no longer live in an age of knickers and powdered wigs, but being punctual is just as important as it ever was. It has been called “a homely, but solid virtue,” and it certainly doesn’t cause one’s breast to swell in the way that pondering courage or resolution does. But related as punctuality is to discipline and self-mastery, to integrity and respect, it is – if not particularly sexy – still an essential component of the character of an upstanding man.
Source: artofmanliness.com