Flyable allows you to input the location you wish to leave from it can be anything from you home address to the city you live in it then shows you all the airport closest to that location which you can then select, afterwards you need to pick the destination you wish to fly too in a similar fashion and choose your destination airport. Once you have selected the airports departure and destination locations, you can select your desired departure time and airline. Once all these criteria has been selected a list is generated of all the flights befitting, a category is created called Delay chance that informs the probability of delay that flight will experience and the delay interval of that time. Ranging from On Time, 30 min late, 30min-1hr, 1hr-2hrs, 2hrs-3hrs, and 3 hours and beyond. Using this tool hopefully you can get to your destination without any headaches and the most efficient way possible.