Originally Posted by
MSPeconomist
One time someone even announced that we were about to land at the wrong airport.
One of my favorite experiences was actually being awake for an "initial descent" announcement. Pilot got on the PA and said something like, "We're beginning our initial descent into....umm....(aside) hey Steve, where are we going?... (back into mic) I guess we're heading into Jacksonville today...." Didn't know whether I should've been

or
Originally Posted by
chunky649
I've also seen multiple times people who got on the wrong flight and didn't find out until they're physically on the plane. I suspect the bar-code on the boarding pass doesn't contain a lot of information other than name and seat number... Perhaps someone smart enough to know bar-code can figure it out...
This should prove interesting:
http://shaun.net/2011/05/whats-conta...-pass-barcode/
In the comments there are links to online tools that will decode barcode images that you upload. I did a couple of mine and there's some nifty stuff. Apparently I've been the first person to check in to a couple of my flights.