The losses are due to “unacceptable” compensation claims processes for delayed journeys, according to new analysis. Passengers missing out on £80m compensation from train delaysblamesTrainline blames "unacceptable" claims processes as the reason behind passengers not chasing up on compensation from train delays (Image: Getty Images)Customers who purchase tickets through train operator websites or apps often benefit from streamlined “one-click” claims through the Delay Repay scheme when services are delayed or cancelled. How to claim compensation for train delaysIf you are looking to claim compensation due to train delays, the first step is to ensure you visit the specific company website that operated the delayed train. As explained on its website: "Delay Repay tracks the delay of your train automatically and tells you when you’re eligible for compensation. Recommended reading:If you are affected by a train delay, Trainline will automatically track your compensation.