A second round of pilot strikes is planned between September 2-4.
Passengers say the airline has unhelpful staff and miserable complaints handling.
Ryanair, which has its main UK base at Stansted, will see many of its airports affected ahead of the bank holiday weekend.
The decision comes just hours before industrial action is due to start.
Pilots are threatening to strike in two short bursts – once later this month and again in early September.
The budget airline reported a 21% fall in profits this year...
Customers can face up to £160 charge – but that might soon change.
Helen Wakefield says her son Leo was left "petrified" after Saturday's incident.
“It’s going to take time but we’re happy that this is being taken seriously,” Carol Gayle, the victim’s daughter, told HuffPost UK.
The family of Delsie Gayle said the pensioner has had counselling since the incident.