By Guy Taylor Trainline’s half-year ticket sales jumped higher than expected amid a combination of increased demand for digital tickets and fewer UK rail strikes. The FTSE 250 online retailer raked in just over £3bn in sales in the six months ended 31 August, up 14 per cent year on year. Revenue soared 17 per cent to £229m. Both figures tracked ahead of Trainline’s prior forecast for growth for the financial year 2025 of between 8 per cent to 12 per cent and 7 per cent to 11 per cent, respectively. “As Europe’s number one rail app, our strong performance shows how our relentless focus on innov…