India, Dec. 5 -- More than 600 IndiGo flights were cancelled over the past two days, and chaos broke out at several airports across India as operational disruptions continue to haunt the airline. On Thursday alone, more than 400 flights were cancelled as the airline informed the aviation regulators that "misjudgment and planning gaps" led to the massive disruption.

As civil aviation minister Ram Mohan Naidu reviewed the disruptions with officials from his ministry and IndiGo, the airline sought time till February 10 to fully stabilise operations, as mentioned in an earlier HT report.

The airline, which usually records a high punctuality score, registered an on-time performance of 19.7 per cent on Wednesday, a fall from 35 per cent recor...