"We have only taken this decision to cancel this small proportion of our 2,500 daily flights so that we can provide extra standby cover and protect the punctuality of the 98 per cent of flights that will be unaffected by these cancellations".
Social media has been full of angry and upset travellers who have been left stranded across Europe or who have seen their holidays, weddings and business plans ruined.
Aviation minister Lord Callanan said he is " very concerned" by the Dublin-based carrier's cancellations.
It has also brought a wave of bad publicity for an airline which has worked hard over the past few years to improve a reputation for treating passengers badly.
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For some reason, the airline thought it would be a good idea to put its CEO, Michael O'Leary, in front of the press.
The airline claims less than two per cent of customers will be affected by the cancellations.
The airline confirmed the contents of that memo are accurate but rejected recent reports that Ryanair pilots were planning strike action, saying "this is misinformation".
Passengers told the Guardian of poor communication from Ryanair that has forced them to miss family events and has left them in fear of financial hardship if they can not recoup costs such as hotel rooms and replacement flights.
She wrote: "I t's three days before the flight".
Asked if she will ever fly with the airline again, Ms Teevan said: "I'll never fly with Ryanair agian". This is an absolute joke.
However, the email Ms Teevan received noted that the 10.25pm flight from Paris Beauvais to Dublin on Thursday evening had been cancelled.
"How the hell do you know if you can get back".
Nobody will be too surprised that Ryanair is being accused of treating customers badly.
The Irish airline has been widely criticized by politicians and consumer groups since announcing on Friday plans to cancel between 40 and 50 flights per day in the weeks to October 31.
The airline is mandated by the Irish Aviation Authority to bring staff time-off in line with the calendar year as of January 1, requiring it to let employees use up vacation days before the end of 2017.