Delhi weather: Over 400 flights delayed, 61 cancelled; Air India cancels 19 flights, IndiGo more than 100 — list here

Delhi weather: Flight services were disrupted at the Delhi airport on Monday as a dense blanket of smog continued to cover the national capital and its adjoining areas, with air quality in the 'severe' category.

Akriti Anand
Updated15 Dec 2025, 01:50 PM IST
An IndiGo Airlines aircraft prepares to take off at Kempegowda International Airport on a hazy day in Bengaluru on December 9, 2025.
An IndiGo Airlines aircraft prepares to take off at Kempegowda International Airport on a hazy day in Bengaluru on December 9, 2025. (AFP)

As many as 61 flights were cancelled, over 400 flights were delayed, and five flights were diverted due to low visibility, the Delhi Airport said on Monday, December 15.

Flight services were disrupted at the Delhi airport on Monday as a dense blanket of smog continued to cover the national capital and its adjoining areas, with air quality in the 'severe' category.

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This reduced visibility and disrupted flight and train operations.

The India Meteorological Department (IMD) has issued an 'orange' alert for dense smog on Monday.

Delhi Airport's advisory

Amid low visibility issues, the Delhi Airport issued an advisory for flyers early Monday morning.

It posted on X, "Due to dense fog, flight operations may experience disruptions."

"We are working closely with all stakeholders to minimise inconvenience to passengers," the statement read.

Also Read | Delhi AQI reaches ‘severe’: Here’s what air pollution does to your body

It further advised passengers to check the latest flight updates by contacting their respective airlines. "We sincerely regret any inconvenience caused," it said in a post on X.

In a later update, around 12 pm, the Delhi airport said the runway visibility improved, and operations are now stabilising. “However, there might be some impact on flight departures and arrivals,” it said.

Air India cancels 19 flights

Air India cancelled as many as 19 flights on Monday.

It said, "Poor visibility due to dense fog in Delhi this morning has impacted flight operations for all airlines. We are closely monitoring conditions and will resume operations as soon as it is safe to do so."

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"In the interest of safety, and to avoid prolonged uncertainty for our guests, some flights have been cancelled. We understand this may cause inconvenience, and our ground teams across airports are working round the clock to assist and support you," Air India said.

The airline also released a list of flights which were cancelled at Delhi airport on Monday. They were:

  1. AI2767 / 2768
  2. AI1787 / 1872
  3. AI1721 / 1837
  4. AI1701 / 1806
  5. AI1725 / 1860
  6. AI1745 / 1890
  7. AI1797 / 1838
  8. AI1703 / 1884
  9. AI2653 / 2808
  10. AI2469 / 2470
  11. AI866
  12. AI1737 / 1820
  13. AI1719 / 1844
  14. AI1785 / 1851
  15. AI2495 / 2496
  16. AI1715 / 1816
  17. AI3313 / 3314
  18. AI881 / 882
  19. AI2465 / 2880

IndiGo's list of cancelled flights

India national carrier, IndiGo, also issued an advisory, informing passengers of flight cancellations and delays. It also shared a list of cancelled flights on Monday. Over 100 IndiGo flights affected. See list here

“Due to dense fog in Delhi this morning, visibility has reduced drastically, impacting flight operations. As a precaution, some flights may be proactively cancelled through the day to prioritise safety and help minimise extended waiting at the airport,” IndiGo said.

The airline added, “We understand how inconvenient this can be, especially when travel plans are important. Please be assured that our teams across airports are working continuously to manage operations as smoothly as possible, and keep you informed as the situation evolves.”

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