A Stansted Airport spokesperson said: "We can confirm two aircraft were involved in a minor collision while on the ground at Stansted this morning. Both planes suffered some damage but there were no reported injuries to passengers or crew.
"The airport is operating as normal while an Air Accidents Investigation Branch investigation takes place.
"Passengers from the outbound flight have been offloaded onto an alternative aircraft to continue their journey."
Ryanair spokesman Robin Kiely said: "This morning at London Stansted the wing tip and tail cone of two Ryanair aircraft made contact while one aircraft was taxiing to stand and the other was commencing pushback from stand.
"Customers were disembarked and boarded two replacement aircraft which departed Stansted with a delay of approximately three hours.
"Our Stansted-based engineering team are currently investigating and will repair both aircraft and return them to service as soon as possible.
"Ryanair sincerely apologises to affected customers for any inconvenience."
-The Independent