Heavy fog disrupted flight operations at the Delhi airport on Monday with 20 flights diverted, four cancelled, and around 530 delayed till 12.52 pm, an official said.
Flights are operating at the airport under CAT III B conditions, which means the runway visual range (RVR) is between 50 metres and 175 metres.
Giving an update on flight operations at 12.52 pm, the official said 16 flights have been diverted and four cancelled as of now.
"Around 530 flights - which includes 320 departures as well as 210 arrivals approximately - have been delayed on Monday till 12.52 pm," the official added.
In a statement, IndiGo airline said,"Owing to dense fog in north India our flights have been impacted across India. We will continue to review the situation and provide real time updates on our social platforms."
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