Air India on Sunday said it will resume tomorrow its non-stop flights through alternative routes on the Mumbai-New York-Mumbai and Delhi-New York-Delhi sectors, days after services were grounded due to volcanic plumes that made air-traffic impossible in European airspace.

Boeing 777-200 LR flights will operate through alternative routes owing to closure of the European Airspace, a release here said.

As there is a backlog of passengers due to flight cancellations over the past few days, the company has asked passengers to make enquiries with its call centres before proceeding to the Airport.

The airline has set up a dedicated team of officers at Delhi and Mumbai airports to assist stranded passengers for re-booking of flights, transfer to other airlines and cancellation of tickets, it said.

“Every effort is being made to resume normalcy in operations within the shortest possible time”, the release said.

The European Airspace is remaining closed for days following the volcanic eruption in Iceland.