Probably depends on the reason for the delay. If he delivered his child to the hospital for example, I wouldn't want to be his priority. Totally agree. Common

Probably depends on the reason for the delay. If he delivered his child to the hospital for example, I wouldn't want to be his priority. Totally agree. Common courtesy would dictate that he should take 1 minute to pick up the phone and say "Hey, my wife is in labor...gotta reschedule".