Airline tickets have small print on them. It says, "Schedules are subject to change without notice." I missed my plane in Houston by fifteen minutes.

Related:

• Any disclaimer issued by me is subject to change without
  notice. --...
• Involuntary Polymorph -
  subject to change without notice...
• Civilization exists by geological consent, subject to change without notice.
  Will...
• The worst job I ever had was working in a Fotomat booth.
  I was the only one at the Christmas party. -- Mark...
• I thought you had the plane tickets! --
  Famous Last...
• I have become me without my
  consent...
• If you don't like the weather in New England, wait fifteen minutes;
  it will change. -- Mark...
• Everthing is farther away than it used to be. It is even twice as far to the corner and they have added a hill.
  I have given up running for the bus; it leaves earlier...
• I used to be an airline pilot. I got fired because I kept locking the keys in the plane.
  They caught me on an 80 foot stepladder with a coathanger...