If your team uses Kanban to improve flow and increase predictability, you’ve likely run into this familiar question: “How long should work stay in each column?” While Kanban encourages limiting work in progress (WIP), it doesn’t prescribe specific timelines for completing tasks. That’s where Service Level Expectations (SLEs) come in. SLEs are a lightweight way| Kanban Zone: The Visual Management Platform that Solves your Workflow Challenges