A Ryanair flight FR 6632 took off from Tenerife South in the late evening to Edinburgh diverted to Tenerife North shortly after take-off, after a customer became ill onboard.
The aircraft landed normally at Tenerife North and the passenger disembarked. The patient was met by medics.
The flight, supposed to arrive at 11.40 pm, was rescheduled to arrive at Edinburgh Airport in the early hours of Thursday morning.
Ryanair apologised to affected customers for this short delay to their journey.
The condition of the passenger is not yet known.