29 January,2009 12:23 PM IST | | PTI
Flight operations came to a standstill on Thursday morning after dense fog engulfed the Indira Gandhi International Airport here affecting over 80 flights of various airlines.
"No flights were taking off or landing at the airport as the visibility reduced to below 50 metres due to the dense fog which began to descend around 7:00 am," airport sources said.
Airport authorities were caught unawares as fog suddenly enveloped the airport after a clear morning.
More than 40 flights departing from here were delayed by over two hours while four SpiceJet flights from Mumbai, Pune, Kolkata and Ahmedabad scheduled to arrive here at 7.45 am were diverted to Jaipur.
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Most flights arriving here were delayed by over two hours. The fog reduced the runway visibility to less than 50 metres.
Early morning flights went as per schedule as the visibility was above 1,500 metres and general visibility was 100 metres at around 6.30 am.
All flights which were scheduled to take off after 7.30 am were badly affected, as passengers had boarded and doors were closed when the fog descended.
A huge backlog of flights has aggravated the situation as no flights were taking off.
Fog has delayed several flights this month. Flights were affected on Wednesday and over 50 flights were delayed on January 26.
Since December 29 last year, over 1,000 flights have been delayed and around 150 cancelled.u00a0
