Less than 1% of all journeys affected, says minister
Almost 80 bus services had to be cancelled last month due to staff illness within Bus Vannin.
Infrastructure Minister Tim Crookall revealed the figures in this week's sitting of the House of Keys.
He confirmed 77 journeys couldn't go ahead because of a shortage of drivers in April - around 0.8% of Bus Vannin's services.
Mr Crookall says no services have been cancelled for other reasons: