For years I had a series of anxiety dreams set in airports, where everything that could possibly go wrong to make me miss my flight did. I had so many of these that I actually started to get a bit genre-savvy inside the dreams - I'd see something go wrong and I'd think, "Oh no, not this shit again." Inevitably I'd make it to the gate to watch my plane pulling away.
A couple of years ago I had one of these that ended a bit differently. First, there was something wrong with my passport. But wait - there was a US Customs office right there in the airport that could fix it. So I got to the customs office, and the lines were out the door. But wait - the lines were moving at a decent pace, and I actually got to the counter and got the problem fixed with just enough time to make it back to my gate and board my plane. So I got outside the office - and suddenly noticed that the entire airport had changed while I was in the customs office, and I now had no idea where my gate was. It was so ridiculous that I burst out laughing in my dream. I haven't had another one of these since.