Kildare expert in travel says the facility wasn't designed to cater for social distancing.
Dublin Airport say queues are easing at the facility after long delays at security this morning.
A spokesperson for the airport says there's lower anticipated passenger numbers this lunchtime, while it is deploying extra resources to minimise the impact of people's travel.
It is apologising for any inconvenience caused by he delays.
Staffan's Eoghan Corry is Editor of Travel Extra.
He says Dublin Airport was not designed to deal with Covid-19 protocols
.@DublinAirport is experiencing lengthy queues for security screening this morning.
— Dublin Airport (@DublinAirport) August 29, 2021
Additional resources have been deployed to the area & we expect the situation to ease shortly.
We sincerely apologise for the inconvenience.
Our teams are working hard to help you on your way.

Yellow Fog Warning Issued For Kildare
Staff At RTÉ, Newstalk And Irish Independent Evacuated Following Bomb Threat
Public Sector Pay Talk Efforts Ramping Up As Strikes Loom
French Prime Minister Claims Aer Lingus Pilots Initially Refused To Land In France After Bomb Threat
Russell Brand Found Guilty of Rape and Three Counts of Sexual Assault
ICTU Announces Plans For Next Week's Public Sector Strike
Aer Lingus Flight From Dublin Diverted Due To Emergency
Oireachtas Media Committee Chair Describes RTÉ's Appearance As "Farcical"