1. A maintenance system for a fleet of aircraft, the system comprising: a maintenance database comprising at least one maintenance schedule comprising a list of routine maintenance actions for the aircraft; a non-routine maintenance database comprising at least non-routine maintenance historical data for the aircraft; a health database comprising operation data for the aircraft; and a planning module configured to query the maintenance database, non- routine maintenance database, and the health database and identify anticipated non-routine maintenance tasks having a correlation with at least one of the routine maintenance actions.