How IndiGo’s red-eye efficiency model left it red-faced

IndiGo’s ongoing flight chaos brings to light the perils of its own lean playbook. With over 1,900 flights cancelled during the week, on-time performance plunging to a dismal 8.5% as on Thursday from 50% before the crisis unfolded, and passengers stranded amid winter fog and peak travel demand, the country’s largest airline is reeling from a crisis that pilot unions and industry analysts squarely blame on years of self-imposed constraints.