An intruder got onto an easyJet flight at Gatwick with no passport or boarding pass before the departure gate had opened.
Police were called when a 51 year old woman boarded the plane to Tenerife just after 7am without a ticket or ID.
The german national was arrested on suspicion of entering a security restricted area without permission.
Flight was delayed or about an hour while passengers were rescreened.
Flight EZY8703 was operated by Titan Airways 757 G-ZAPX. Titan has been operating the flight for a few days now on lease to easyJet The 757 operates the morning flight to Tenerife and evening flight to Alicante.