As of 2026, Avanti West Coast continues to struggle with reliability issues, specifically related to short-notice cancellations and driver shortages. The operator, which runs the vital West Coast Main Line connecting London to Birmingham, Manchester, and Glasgow, has faced long-standing disputes regarding "rest-day working" (drivers working overtime). When drivers decline overtime, the schedule collapses. Additionally, the aging Pendolino fleet and infrastructure failures on the line (like signal faults or overhead wire damage) frequently cause "knock-on" delays. While Avanti recently launched a world-first AI-driven timetable optimization tool to better manage unplanned disruptions, passengers in 2026 still report inconsistent service levels and difficulty obtaining "Delay Repay" compensation during major incidents. The core problem remains a network running at nearly 100% capacity with very little "buffer" for error.