Lucknow: An IndiGo flight from Bangkok to Delhi was diverted to Lucknow late Saturday night after a passenger complained of chest pain and difficulty in breathing, airport officials said.IndiGo flight 6E1054 made the medical diversion after the passenger developed health complications during the journey. The aircraft landed safely at Lucknow airport at 10.52pm.A medical team and ambulance were kept ready at the airport following information about the emergency. Soon after the aircraft landed, the medical team examined the passenger. Officials said the passenger was found in stable condition.The passenger was subsequently deboarded and taken to Terminal 3, where immigration and other required formalities were completed.The aircraft remained at Lucknow airport for over an hour while the passenger was attended to and the required procedures were carried out.After completing the formalities, flight 6E1054 resumed its journey to Delhi at 12.05am on Sunday, officials said.