New Delhi, Dec. 18 -- IndiGo CEO Pieter Elbers on Thursday told employees that the airline has emerged stronger after a challenging period, saying "the worst is behind us" as operations stabilised and the carrier restored its network to 2,200 flights.

In an internal message to staff, Elbers praised employees across functions for standing united during recent disruptions.

"Dear IndiGo colleagues, through the storm, we are finding our wings again. The worst is behind us. These last two weeks have been very challenging for all of us," he said, thanking pilots, cabin crew, airport staff, operations control and customer service teams for their support.

Referring to steps taken since December 9, Elbers said IndiGo had stabilised operations a...