Air travel has been chaotic and unpredictable the last few months, leaving consumers planning to fly preparing for the worst (and hoping for the best). AirHelp, an air passenger rights company, pulled data to find which airports within the U.S. have had the most cancelations so far this summer (May 27 – July 15), the timeframe with the most cancelations and the best and worst days to fly.

Below are some findings that can you help you plan your trip and minimize the chances of a spoiled vacation.