“Due to a report of a potential drone sighting in airspace near to the airport, some flights have experienced short delays and a small number of flights have diverted to alternative airports whilst Greater Manchester Police carried out an investigation using their police helicopter.
“Upon inspection, nothing was found.
“As the safety and security of all of our passengers is paramount, operations on Runway One were suspended for 20 minutes.
“Runway Two, which was unaffected, will remain open for an hour so normal traffic flows can resume.”
A drone is an unmanned aircraft which, when used for recreation or to survey an area from the sky, is usually directed via remote control from the ground.
Police helicopter team NPAS Barton tweeted: “Report of drone affecting departing traffic.
“Area search negative. We cannot stress the dangers of flying drones or similar near to any airport.
“Offenders can be subject to arrest for endangering an aircraft.”