A flight planning system is disclosed for providing an interactive and customizable flight planning tool. The flight planning system may include a memory device for storing flight information and one or more hardware processors. The processors may receive, from a client device associated with the flight planning system, a first flight information request and provide, in response to the first flight information request, an interactive user interface having a graphical representation of a flight plan that includes at least a flight route. The processors may provide a plurality of selectable overlays that modify the appearance of the graphical representation and display additional information related to the flight information. The processors may receive a second request related to the flight information and provide a modified user interface comprising at least a feature related to the second request and the flight information.