IndiGo: How India’s top airline unraveled in quest for higher profit

On the evening of Dec. 2, just three days before India’s largest airline would lose control of its operations, IndiGo executives spotted a technology glitch that was delaying late-night check-ins — a small failure that would soon cascade into one of the worst aviation disruptions in the country’s history.

The problem, in turn, was affecting a pilot duty roster recently fine-tuned to incorporate new government rules mandating longer rest hours and fewer night landings.