Eight flights since last night had to be diverted from Shannon to Dublin.
Meanwhile three flights due to leave last night were cancelled and passengers due to fly to London Heathrow this morning were bussed to Dublin.
The airport is closed this morning due to heavy fog affecting maintenance works, with the operator saying they expect the airport to reopen soon.
Advertisement
Other departures this morning have been delayed and passengers are asked to check with their airline before heading to the airport.
