It comes as misbehaving passengers have caused flight delays impacting others.
Ryanair has announced it's now taking legal action against disruptive passengers.
The airline has filed a claim for over €15,000 in damages against a passenger who disrupted a flight from Dublin to Lanzarote last April, forcing it to redirect to Porto.
In a statement, the company owned by Michael O'Leary says it's completely unacceptable for hard working people to have a trip ruined by "one passenger’s failure to behave".
Business Editor Joe Lynam says this could set a precedent for other airlines to take similar steps:
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