New Delhi, Dec. 3 -- IndiGo has slipped on on-time performance-its once-wonted performance metric- like never before, recording just 35% of its flights on time on 2 December 2025, a Tuesday. Tuesdays are typically the lowest load factor (passenger occupancy) days in a week, and though there was a slight downtick in total flights as well as passengers, IndiGo's load factors were north of 90%, according to aviation ministry data, published daily on its website. The airline, which ended October with the best On-Time Performance among its peers, has been facing challenges with punctuality in recent times.

What exactly caused the on-time performance to fall so badly in the last few weeks?

The airline attributed the drop in punctuality to "se...