New Delhi. An Air India flight that took off from Delhi for Canada landed back in Delhi despite a 9-hour flight duration.According to Indian media, the flight, which departed from New Delhi at 11:34 AM local time on Thursday for Canada, landed back in New Delhi at 7:19 PM the same day.The aircraft returned towards India after reaching Chinese airspace. Indian media reported that the Air India management team called the aircraft back when it reached the airspace of Kunming, China.According to Indian media, Air India has permission to operate its Boeing 777-300 Extended Range (ER) aircraft for Canada. Indian...