score:6
Maybe; AFAIK, It is a pilot strike then there is a big chance that the plane will be grounded.
"... They plan a 48-hour strike from 00:01 on 22 August until 23.59 on 23 August, and a 72-hour strike from 00:01 on 2 September until 23.59 on 4 September..."
"Itβs highly likely though that some flights will not take off, and passengers who have booked flights, or are thinking of doing so, should check with the airline. Ryanair tends to give passengers two or three daysβ notice if their flight is cancelled."
https://www.theguardian.com/business/2019/aug/08/ryanair-strike-when-does-it-start-flights-affected