The data shown here comes from Flight Delay Analysis Dataset

This chart meant to show the "Percentage of flights delayed by more than or less than 15 mins". The color denotes whether the delay is greater than 15 mins or less than 15 mins. The tooltip shows the percentage delay w.r.t total delay of all flights, when you hover over it.

The questions that can be asked from this chart are:

• What percentage of flights w.r.t departure were delayed by more than 15 mins? Ans = 23.9%
• What percentage of flights w.r.t departure were delayed by less than 15 mins? Ans = 76.1%

The chart for Arrivals is shown here: Percentage of flights delayed w.r.t Arrival.