Originally Posted by
pinworm
So long as you don't do it often, you should be ok.
Just DON'T check luggage, or it will go on without you. And do your fellow pax a favor and call the airline to tell them you are sick and have to miss the second segment..AFTER you deplane of course!
This is a standard answer for domestic travel. OP, please do not count on this advice for your situation.
No, the airline won't just check you in and tag your bag for part of the journey. That's not the trip you paid them for.