NEW DELHI: Delhi airport on Tuesday issued an advisory to flyers, warning that disruptions in flight operations may persist for some arrivals and departures due to dense fog.In a post on X, Indira Gandhi International Airport (IGIA) urged passengers to check with airlines for real-time updates on flight schedules.“Flight operations are steadily recovering, but disruptions may persist for certain departures and arrivals. For accurate and timely updates, please contact your airline directly,” IGIA said.“Our personnel are available across terminals to assist passengers and provide necessary support,” it added.Low visibility had disrupted operations on Monday as well, with 228 flights — 131 departures and 97 arrivals — cancelled and five diverted to nearby airports, according to airport officials.Air India said it cancelled around 40 flights due to poor visibility, while other airlines, including IndiGo, did not share exact numbers of cancellations or delays.“Low visibility (below minima), due to dense fog, has severely impacted operations at Delhi and other airports across northern India,” IndiGo said, adding that some flights may face delays or proactive cancellations to prioritise safety.Air India also said operations would resume as soon as conditions improve, stressing that cancellations were made in the interest of passenger safety.Delhi airport, the country’s busiest, handles around 1,300 flight movements daily.