Dublin Airport had its busiest weekend of the year last week after over 50,000 passengers passed through its door, with numbers expected to remain similar throughout the summer months.
Following huge delays earlier this year, which saw over a thousand people miss flights, the Dublin Airport Authority has once again run into some difficulties.
The DAA said passengers faced delays at check-in and bag drop areas on Sunday due to "staffing challenges" facing airlines throughout Europe.
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However, it said security queues were moving well during the busy period.
Kevin Cullinane, DAA group head of communications, said: "Some airlines have experienced delays at their check-in desks and bag drop areas due to resourcing issues of their own.
"Staffing challenges facing airlines, ground handling companies, and third-party contractors across check-in, baggage handling, retail and cleaning services, are impacting customer experience, something DAA is working hard to address in collaboration with our aviation partners."
He added that Dublin airport was working "very closely" with airlines to minimise waiting times.
On Saturday, Dublin Airport said passenger queues moved through security channels without incident.
Processing times through security gates mainly were kept below 30 minutes since the busy early morning wave of departures.
The plan to combat delays appears to be working relatively well as passengers are divided into people queuing up for security and bag-drop, respectively.
Marquees have also been erected to provide shelter should queuing outdoors be needed in the event of backlogs.
Management has also said that another 100 people are currently in training to add further backup as it struggles with staffing shortages.
However, views on the efficiency of the airport were divided over the weekend.
One passenger tweeted on Friday: "Dublin Airport chaotic today.
"Massive queues earlier — about 1.5 hours — to check in (i wasn't able to do it online). 40 mins at security which isn't the worse — then huge queue in T2 eating area."
While another seemed happy with their experience, saying: "a lot of negativity about @DublinAirport, must say I had a quick and pleasant experience flying out and arriving back".
Passengers are advised to allow 2.5 hours before a short-haul flight and 3.5 hours before a long-haul flight.
If checking a bag, verify your airline's check-in and bag drop desk opening times, and if possible, allow up to one hour of additional time to check-in luggage.
Security in T1 is now open 24 hours a day, seven days a week, while security in T2 opens at 04.00, so people flying from T2 should factor this in.
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