New Delhi, Dec. 16 -- More than 50 IndiGo flights were cancelled across the country on Tuesday (16 December) as adverse weather conditions, particularly dense fog and low visibility in northern India, disrupted air traffic. Airlines and airport authorities warned passengers to brace for further delays as operations gradually stabilise.

India's largest airline said poor weather during the early morning hours significantly affected flight movements, forcing cancellations on multiple routes across its network. The disruption was most pronounced at major hubs, including Delhi, where winter fog continues to pose operational challenges.

IndiGo attributed the cancellations to adverse weather conditions, including low visibility caused by dense...