A general image of a Brittany Ferry moving through the water in Guernsey. The boat is blue and white.
A ferry company has apologised following a "slightly shaky start" to an amended route.
Brittany Ferries said its new schedule meant it could bring supplies to Guernsey seven days a week, in a bid to better improve and support the island's businesses and wider economy.
Deputy Sasha Kazantseva-Miller said the company had provided an "excellent service" since it took over in 2024, but added the economic development committee was aware a small number of trailers had been delayed on certain sailings over the past week.
However, Channel Islands Co-op said the new triangular route, between Guernsey, Cherbourg and Portsmouth, created "additional cost and reduced resilience".
"We accept the opening hasn't been as good as we would have liked and apologise for this slightly shaky start," it said, adding it was committed to improving quickly.
Mark Cox, CEO of Channel Islands Co-op, said the former inter-island freight route provided "valuable resilience", which had now been lost.
"The previous triangular freight route provided an important link between the islands, allowing us to move stock, equipment and other goods directly between Guernsey and Jersey," Cox said.
Deputy Sasha Kazantseva-Miller said Brittany Ferries had provided an "excellent service" since it took over in 2024
"The former arrangement also provided valuable resilience during periods of poor weather.
"If a vessel was unable to dock in Jersey, stock could be held in Guernsey and moved onwards when conditions improved. Without an inter-island route, this is no longer possible and stock may instead have to be returned to the UK."
He added: "Overall, the loss of effective inter-island freight connectivity has reduced resilience, increased complexity and cost, and created an unintended barrier to greater trade between the islands."
Kazantseva-Miller, president of the committee, said the small number of delays was "unusual and can occur for a range of operational reasons".
She said it included scheduling requirements, customs documentation or port clearance processes.
"Brittany Ferries has treated these issues as a priority and has been working to implement immediate remedial measures," Kazantseva-Miller added.
"While any delay is regrettable, the committee has been reassured that these were short-term operational issues and I'm confident that the overall service being provided by Brittany Ferries remains strong and reliable."
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Side-by-side comparison of two high-speed passenger ferries at port. On the left, the DFDS vessel Tarifa Jet is docked in calm water in a harbour. On the right, the Brittany Ferries vessel Voyager is shown alongside a quay, with the company logo visible on the hull. Dark, cloudy skies form the backdrop in both images.
A large Brittany Ferries vessel docked at a brightly lit Guernsey harbour at night. Surrounding the ship are illuminated port facilities and buildings with St Peter Port town visible in the background under a dark sky.
A white ferry with blue tipped chimneys with the words Brittany Ferries on the side arriving in St Peter Port Harbour.
