 The two words no passenger wants to hear, delays and cancellation. We're a little annoyed, a little stressed. I know things happen, but this is like really bad, so. Is that the IT thing, the global thing? Now we got to rebook for tomorrow. But this was a situation all day at airports throughout the country. A global tech outage caused widespread delays and cancellations, sending airports into chaos. FlightAware.com's misery map.