Originally Posted by
Tchiowa
^ Delayed flights some times get "un-delayed". I missed a JFK/SFO flight years ago because the flight was delayed so I waited until 45 minutes before the flight to go to the gate. Only to find the time had changed and the plane was backing out. It was a lesson I only needed to learn once.
Sometimes the delay is also an error. I almost missed a flight once because it showed as delayed on Flight Tracker but was in fact on time and never delayed.