An Etihad Airways flight from Abu Dhabi to Ahmedabad was diverted after a cow strayed near the airport runway on Friday morning.
The incident forced the international flight to abort the landing and divert to Mumbai.
Some other flights were delayed because of the incident, local media reported.
The Etihad pilot reportedly spotted the cow near the runway at Sardar Vallabhbhai Patel International Airport which has launched an investigation.
A senior official was quoted as saying it was a “freak incident” that took place at 3 am a local time when a gate was opened for two vehicles and the cow followed them.