Delhi IGI Advisory: The Indira Gandhi International (IGI) Airport issued an advisory on Monday stating that flight operations are currently under CAT-III conditions due to dense fog, which has led to delays and disruptions. Officials further added that several flights faced minor delays, while some were cancelled as airlines adjusted their schedules to ensure passenger safety. Over 200 flights have been delayed at Delhi Airport, including 40 cancellations and 4 diversions due to dense fog in the national capital.
“Due to dense fog, flight operations are currently under CAT III conditions, which may lead to delays or disruptions. We are working closely with all stakeholders to minimize inconvenience for passengers. For the latest flight status, please contact your respective airlines. We sincerely regret any inconvenience caused,” Delhi airport X post reads.
Update issued at 0822 hours.
— Delhi Airport (@DelhiAirport) December 15, 2025
Kind attention to all flyers!#Fog #FogAlert #DelhiAirport pic.twitter.com/dnqMbSByI4
The advisory was issued amid poor visibility across several parts of the national capital and the NCR, with the Air Quality Index (AQI) remaining in the ‘severe’ category, affecting visibility and disrupting flight operations. According to data from the Central Pollution Control Board (CPCB), Delhi’s AQI stood at 456 at 6 am, marking the season’s second-worst air quality reading.
Airlines Advisory
Major airlines, including IndiGo and SpiceJet, also issued advisories.
IndiGo
"Delhi is seeing its first hint of winter fog this morning, and visibility around the airport is currently reduced. As operations adjust to the changing weather, some flights may take a little longer to depart," said IndiGo in a statement on X.
Travel Advisory
— IndiGo (@IndiGo6E) December 14, 2025
Delhi is seeing its first hint of winter fog this morning, and visibility around the airport is currently reduced. As operations adjust to the changing weather, some flights may take a little longer to depart.
We understand plans, schedules and connections…
SpiceJet
SpiceJet cautioned that low visibility may affect arrivals, departures, and connecting flights, and advised passengers to regularly check their flight status. "Passengers are requested to keep a check on their flight status via spicejet.com," said SpiceJet.
Air India
“Poor visibility due to dense fog is impacting flight operations in Delhi and parts of Northern India. Please check your flight status at: http://airindia.com/in/en/manage/flight-status.html before heading to the airport,” Air India wrote on X.
#TravelAdvisory
— Air India (@airindia) December 15, 2025
Poor visibility due to dense fog is impacting flight operations in Delhi and parts of Northern India. Please check your flight status at: https://t.co/6ajUZVeeIM before heading to the airport.
Ministry Of Civil Aviation On Dense Gog Condition
“Heavy Fog Alert for Northern India Delhi (DEL) & other airports in Northern India are experiencing dense fog, severely affecting visibility. For Passengers: Before heading to the airport, please check the latest flight status with your airline. Check flight information on the airport website/app. Please allow extra travel time. Safety is our top priority. Our teams & ATC are working tirelessly to minimize disruptions. Thank you for your patience and cooperation," reads Ministry Of Civil Aviation’s post on X.
Delhi-NCR Weather And AQI
The India Meteorological Department (IMD) issued a yellow alert for fog in Delhi and advised people to remain cautious. According to IMD data, the minimum temperature in the capital dropped to 8.2 Degree Celsius on Monday night. Meanwhile, Delhi’s air quality deteriorated sharply, entering the ‘Severe Plus’ category. The Air Quality Index (AQI) crossed 450, with Ashok Vihar recording a maximum AQI of 500 in the early hours of Monday.
