This disclosure relates to a dispatch system that includes a network interface, a display, a memory, one or more mobile units, a requisition interface presented on the display, a first calculator that calculates at least one time value based on a difference in time-stamps of time-stamped events, a clock module including a sliding time window, wherein the sliding time window is a pre-defined interval of time prior to a current time, a second calculator that tracks assigned mobile units and mission ready mobile units based on the sliding time window of the clock module, calculates a workload value for each requisition over the pre-defined interval of time of the clock module that is immediately prior to the time of the requisition, and calculates a percentage of non-compliant requisitions, a schedule builder that builds a schedule, and a dispatcher that dispatches at least one available mobile in accordance with the schedule.