The purpose of the present invention is to provide a device for the automatic creation of an operation adjustment plan, the device enabling the creation, in a shorter amount of time, of an operation adjustment plan that takes into account both passenger convenience and quick recovery from a schedule disruption, even with respect to high-density railway lines. Provided is a device for the automatic creation of an operation adjustment plan, the device comprising: a convenience calculation unit 4 for calculating the convenience of an operation adjustment plan for each type of train on the basis of the scheduled departure time or scheduled arrival time of trains in a planned schedule, and the operation adjustment plan; a degree-of-recovery calculation unit 5 for calculating the degree of recovery from a schedule disruption, on the basis of the difference between a current time and a schedule disruption recovery time found from a comparison of the operation adjustment plan and the planned schedule; a constraint-vi
