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The airline also advised passengers to factor in extra travel time to reach airports, as fog may affect runway operations and air traffic flow.
Winter Fog Causes Flight Disruptions Across Northern and Eastern India. (Representative Image)
Major Indian airlines have issued fresh travel advisories as dense fog and poor visibility continue to disrupt flight operations across several parts of northern and eastern India. IndiGo, Air India and SpiceJet have warned passengers of possible delays, diversions and cancellations, particularly during early morning hours over the next few days.
The advisories were issued late on Saturday night through the airlines’ official social media handles, asking travellers to check flight status regularly before leaving for the airport.
IndiGo warns of early-morning disruptions
IndiGo said reduced visibility due to fog is likely to affect flight movements in Delhi and other parts of north India. The airline added that operations teams are closely monitoring weather conditions to limit disruption wherever possible.
In a post on X, IndiGo said low visibility over Bengaluru and Amritsar had already impacted schedules. The airline urged passengers to stay updated through its website and assured travellers that ground staff were available to provide assistance during delays or rescheduling.
The airline also advised passengers to factor in extra travel time to reach airports, as fog may affect runway operations and air traffic flow.
Travel Advisory Low visibility and fog over #Bangalore and #Amritsar has impacted flight schedules. We’re keeping a close watch on the weather and doing our best to get you where you need to be, safely and smoothly.We request that you stay updated on your flight status…— IndiGo (@IndiGo6E) December 21, 2025
Air India flags continued fog conditions
Air India also cautioned that dense fog is expected to persist in Delhi and several regions in northern and eastern India. The airline said the weather conditions could affect flights across its network, despite steps being taken to minimise inconvenience.
In its advisory, Air India said unexpected delays, diversions or cancellations could still occur due to the fog. Passengers were advised to remain in contact with the airline for updates and support.
The national carrier added that its ground teams are available to help passengers with alternative arrangements if flights are disrupted. It also shared 24-hour contact numbers for assistance, encouraging travellers to seek support if required.
SpiceJet issues multi-city warning
SpiceJet issued a broader advisory, warning that poor visibility could affect operations at several airports across northern and eastern India. The airline said departures, arrivals and connecting flights could all be impacted by the prevailing weather conditions.
According to SpiceJet, airports likely to be affected include Delhi, Bengaluru, Ayodhya, Gorakhpur, Varanasi, Darbhanga, Jammu, Amritsar, Patna and Bagdogra. Passengers were advised to keep checking their flight status and stay alert for schedule changes.
#WeatherUpdate (21st Dec’25): Due to expected bad weather (poor visibility) in Delhi (DEL), Bengaluru (BLR), Ayodhya (AYJ), Gorakhpur (GOP), Varanasi (VNS), Darbhanga (DBR), Jammu (IXJ), Amritsar (ATQ), Patna (PAT) and Bagdogra (IXB), all departures/arrivals and their…— SpiceJet (@flyspicejet) December 20, 2025
Passengers asked to plan ahead
With winter fog becoming more frequent, airlines have urged passengers to plan journeys carefully, especially for early morning flights. Travellers have been advised to reach airports well in advance and remain flexible in case of delays.
Airlines said weather conditions can change rapidly and impact flight safety, making fog-related disruptions unavoidable at times. Passengers are expected to face intermittent delays until visibility improves.
Authorities have not mentioned how long the foggy conditions are likely to last, but airlines have said they will continue to monitor the situation and issue updates as required.
Delhi, India, India
December 21, 2025, 08:25 IST
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