My good friend actually came to visit me recently and they "lost" her checked bag. I say "lost" here because they "knew" where it was, but the plane kept getting delayed. Apparently it ended up on a separate plane that happened to arrive at the same airport. They originally told us to wait at the airport until it arrived, assuring us it was only going to be another 30 minutes. We ended up leaving, without her bag, 2 hours later. They said they would call us when it arrived. No such luck. We went back to the airport in the morning and it had just shown up and nobody knew why they were holding it. I understand if they misplace the bag, but to string us along for almost a whole day waiting on a call from them that never came is really just a miserable experience.