NEW DELHI, December 31, 2025 — Due to a forecast of heavy fog throughout Delhi and North India on New Year’s Eve, major carriers Air India and IndiGo have issued warnings warning of major disruptions to flight schedules. The warnings follow an India Meteorological Department (IMD) alert predicting continued low visibility for Wednesday morning.
What is the weather forecast causing disruptions?
The India Meteorological Department (IMD) has forecast moderate to dense fog during the morning hours of Wednesday, December 31, in Delhi. The agency has also issued a fog warning for Haryana, Chandigarh, Odisha, Punjab, Uttar Pradesh, and other regions until Wednesday morning. Temperatures in the national capital are expected to range from a minimum of about 8 degrees Celsius to a maximum of around 23 degrees Celsius, with generally cloudy skies and light rain predicted for New Year’s Day.
How are airlines responding?
Airlines are taking proactive measures due to anticipated low visibility. Tata Group-owned Air India stated it has “planned cancellation of some morning flights most likely to be affected by fog,” with advance information being provided to passengers. The airline warned of potential cascading delays across its network. Major airlines Air India and IndiGo have warned of significant flight schedule disruptions due to a forecast of severe fog throughout Delhi and North India on New Year’s Eve.
Travel Advisory
Dense fog across the northern belt continues to persist, causing reduced visibility and ongoing disruptions to flight schedules.
We recommend keeping a tab on your flight status via https://t.co/IEBbuCsa3e If your flight is impacted, you can conveniently rebook…
— IndiGo (@IndiGo6E) December 30, 2025
Due to forecasts of dense fog and low visibility across Delhi and Northern India tomorrow morning, we anticipate impacts on flight schedules and potential cascading delays across our network. We are keeping a close eye on the situation and have taken proactive…
— Air India (@airindia) December 30, 2025
What should passengers do?
Passengers are strongly urged to check their flight status directly via airline websites or apps before heading to the airport. IndiGo directed customers to its flight status page and a dedicated “Plan B” portal for rebooking or refunds. Air India stated its airport teams will assist passengers in the event of unexpected delays, diversions, or cancellations. Both airlines stressed how crucial it is to provide extra time for travel to airports because of the anticipated disruptions to traffic caused by fog.
What is the DGCA’s fog season advisory?
The aviation regulator, the Directorate General of Civil Aviation (DGCA), has officially designated the period from December 10, 2025, to February 10, 2026, as the fog season. It has issued a warning that fog-related disruptions are likely to continue to occur often throughout this two-month period, underscoring the yearly systemic challenge faced by airlines and passengers.
FAQ
Q: Which airlines have issued fog advisories?
A: Air India and IndiGo have both issued formal advisories warning of flight schedule impacts on December 31.
Q: Has Air India cancelled flights?
A: Yes, Air India has proactively canceled a few morning flights that were probably going to be impacted by the thick fog.
Q: What should I do if my flight is impacted?
A: Check flight updates through the airline’s official website or mobile app. IndiGo enables rebooking or refunds on its “Plan B” portal, and Air India has assured on-ground assistance at airports.
Q: How long will the fog conditions last?
A: The IMD forecast is for fog on the morning of December 31. The DGCA has stated that fog-related disruptions are likely to be frequent throughout the official fog season, which lasts until February 10, 2026.
