The airport is at risk of exceeding it's passenger limit imposed by Fingal County Council in 2008.
Dublin Airport bosses admit they will have to limit passenger numbers for at least two years.
Aer Lingus has hit out at the DAA for asking the airline to consider reducing the number of flights it operates, due to a planning restriction.
The airport is at risk of exceeding the 32 million passenger limit imposed by Fingal County Council in 2008.
DAA CEO Kenny Jacobs says they are making efforts to have that changed, but it will have to start restricting numbers in the meantime: