Johannesburg - Flights have been delayed at OR Tambo International Airport after a takeoff was aborted on Tuesday, Airports Company SA said."Each departing flight has had about a five-minute delay," said Acsa spokesperson Unathi Batyashe-Fillis."Delays have been happening from 7.00 this morning until now. One would assume that we are experiencing many delays but we are not."Part of the reason was that it was not peak time, she said. One of the airport's two runways was still operating.Earlier, a pilot for a Global Aviation plane - carrying 120 passengers and seven crew members - aborted takeoff after one of its wheels caught alight.No one was injured and emergency personnel extinguished the fire, said Batyashe-Fillis.The plane was to depart to Malawi.The affected runway was expected to re-open at midday."It will remain closed until Civil Aviation Authority officials have conducted their investigations on the runway," she said.- Are you there? Send us your eyewitness accounts and photos.Come join the News24 Travel community on Facebook and Pinterest or follow us on Twitter, otherwisesubscribe to our weekly newsletter for more useful travel updates.