1. A system comprising: a first sensor configured to measure a parameter related to an operation of a powered system traveling along a route; and a processor configured to be coupled to the first sensor and to receive data of the parameter; wherein the processor also is configured to compare the parameter that is measured with an expected parameter that is based on at least one predetermined characteristic of the powered system to determine a parameter comparison; wherein the processor also is configured to adjust the at least one predetermined characteristic by a characteristic adjustment that is based on the parameter comparison; and wherein the processor is configured to adjust a braking schedule of the powered system based on the characteristic adjustment to the at least one predetermined characteristic.