Despite a slight improvement, pollution levels remained dangerously high across many parts of the national capital. A thick layer of toxic smog covered the city, sharply reducing visibility and causing major disruption to air travel.

Updated: December 16, 2025 9:00 AM IST

Delhi-NCR fog hits air travel: Massive flight cancellation, several diverted at Delhi IGI airport; IndiGo, Air India, SpiceJet issue advisory
Delhi-NCR fog hits air travel: Massive flight cancellation, several diverted at Delhi IGI airport; IndiGo, Air India, SpiceJet issue advisory

Delhi continued to struggle with dangerous air pollution on Tuesday morning, with the city’s overall Air Quality Index (AQI) recorded at 378 around 8 am, putting it in the “very poor” category, according to data from the Central Pollution Control Board (CPCB). Flight services at Delhi’s Indira Gandhi International Airport were badly affected due to thick fog and very poor visibility. Airport officials on Monday said around 228 flights were cancelled, while five flights were diverted. According to Delhi Airport, the cancelled flights included 131 departures and 97 arrivals. Visibility dropped sharply in the early morning hours, causing major disruption across the airport.

Data from flight-tracking website Flightradar24 showed that incoming flights were delayed by nearly two hours on average, while departing flights faced delays of about 78 minutes. The airport’s disruption level was marked as high.

Flights are currently operating under CAT III conditions, which allow aircraft to land in extremely low visibility. However, such conditions often lead to delays and cancellations.

The advisory also warned of heavy fog across northern India, saying that airports in Delhi and nearby regions are facing severe visibility issues. Passengers were again urged to confirm flight updates before starting their journey.

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Indigo issues advisory

As winter sets in, early mornings across Northern India can bring fog that may occasionally slow down flight movements. We wanted to share this gentle heads-up in advance, so you can plan with ease and check your flight status before heading to the airport goindigo.in/check-flight-s. Please be assured that our teams are well prepared and closely monitoring weather conditions. Wherever possible, we are making thoughtful adjustments on the ground to reduce inconvenience and ensure any waiting time is as comfortable as possible. 

Air India issues Advisory

Dense fog enveloping Delhi and parts of Northern India early this morning caused flight disruptions across airlines, leading to significant air traffic congestion at the Delhi Airport and parking bay constraints, among multiple other challenges. Regrettably, several Air India flights had to be delayed and/or cancelled, which had a cascading, network-wide impact on our flight schedules as a result. While such unavoidable conditions are beyond airline control, our teams are working around the clock to assist affected guests with rebookings or full refunds if their flights were cancelled.

Impacted guests will also be contacted directly on their registered mobile numbers and email addresses. In case you do not hear from us, it is likely that the contact information recorded in your booking is that of your travel agent or of someone who may have made the booking on your behalf, in which case the notification would have been sent to them. If you’re flying with us tomorrow, we encourage you to check your flight status here before heading to the airport and allow extra time for your journey: airindia.com/in/en/manage/f. Our 24×7 contact centre is available at +91 11 69329333 / +91 11 69329999 for any assistance. 

SpiceJet

Due to bad weather in Ayodhya (AYJ), all departures/arrivals and their consequential flights may be affected. Passengers are requested to keep a check on their flight status via spicejet.com/#status.




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