The Air India flight AI 411 took off from IGI airport for Lucknow around 7:15 AM. When the plane was airborne for some time, the pilot noticed cracks had developed in the windshield and decided to return.
The aircraft landed safely at 8:20 AM.
All passengers were deplaned and later flown to their destination in another aircraft, Air India said.
The aircraft is back into operation after necessary repairs.