The aviation regulator has also directed the airlines to reschedule non CAT III aircraft between 10 AM to 8 PM.
While the regulator observed that 38 flights including 24 departures were also cancelled and three flights diverted during the low visibility period at IGIA yesterday, the Delhi Airport put out a small figure.
In a communication to all airline heads and Delhi Airport authorities, the Directorate General of Civil Aviation said, "Once again all are directed to obey (its) instructions in letter and spirit.
As per the communication, DGCA has asked the airlines to "closely monitor and plan the flights as per weather forecast with proper coordination with dedicated teams of IMD, DIAL, DGCA and AAI.
The DGCA has also directed the airlines to reschedule non CAT III aircraft between 10 AM to 8 PM.
Observing that at no stage of the LVP, RVR on both the runways had gone below 125 meter yesterday, the DGCA said, "During the LVP period, there were three diversions one each of Air India, Air India Express and SpiceJet. Further there had been 38 cancellations (24 departures and 14 arrivals) and 362 delays with 179 departures and 183 arrivals.