1. A system for on-board dispatching of an aircraft, comprising: a flight dispatching apparatus positioned within the aircraft that is configured to perform one or more of the following flight dispatching tasks on-board the aircraft: preparing a weight and balance plan, preparing a fuel burn plan, preparing a flight plan, and preparing a flight dispatch release; and a communications apparatus positioned within the aircraft and operatively coupled to the flight dispatching apparatus, the communications apparatus being configured to exchange wireless signals between the flight dispatching apparatus and one or more ground-based facilities.