Workforce management systems and methods, and non-transitory computer readable media, including receiving a time-off request from a first agent, wherein the time-off request comprises an agent ID of the first agent and a first requested date; providing, to a trained machine learning model, staffing data on the first requested date, skills of the first agent, pending time-off requests from other agents on the first requested date, and time-off taken by the first agent in the past; calculating, by the trained machine learning model, an approval probability of the time-off request; and displaying, on a graphical user interface, the approval probability of the time-off request to the first agent and to a manager.