The Indira Gandhi International Airport in Delhi will experience short airspace closures over six days starting January 21, 2026. This is to ensure safety during Republic Day parades and flypasts. Travelers should plan ahead as over 600 flights are expected to face changes.
Delhi Airspace Shutdown for Republic Day: Key Dates and Details
Authorities issued a Notice to Airmen (NOTAM) on January 13, 2026, restricting Delhi's airspace from 10:20 AM to 12:45 PM daily from January 21 to 26. This includes dress rehearsals and the main Republic Day parade on January 26 along Kartavya Path. Such measures are standard protocol for national events, but this winter’s closures coincide with peak fog season, adding pressure on airport operations.

Why Full Airspace Shutdown Is Necessary
- Safety First: Flypast planes require clear skies to perform precise formations.
- VIP Security: Stray flights or drones pose threats; a total blackout ensures no risk.
- Air Traffic Management: Allows controllers to focus on parade operations without juggling commercial traffic.
Flights Affected by Delhi Airport Closure
Cirium predicts around 600 flights will be affected during the six-day closure. Peak Europe connections may see delays, and domestic flights will adjust timings. Airlines like IndiGo and Air India are already managing fog-related disruptions.
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How Flight Schedules Will Be Affected
Flights won’t cancel entirely but will shift, causing early arrivals to stack and late departures to bunch together. Combined with fog, passengers may face long waits or hotel stays. International connections, especially to Europe, could see ripple effects, requiring reschedules. Travelers should stay alert for app notifications and gate changes.

Airlines Response to NOTAM Challenges
- Airlines verify affected bookings after the NOTAM drops.
- Flexible rebooking and refunds are offered.
- Nearby airports like Mumbai have limited slots, restricting easy swaps.
- IndiGo also warned of similar slots at Hindon Airport from January 18-26.
Winter Fog Worsens Flight Delays
Delhi’s winter fog peaks from December to February. Recent low visibility caused 148 flights to be canceled in a single day. The NOTAM window overlaps prime fog hours, reducing operational flexibility. This combination increases the risk of cascading delays, with aircraft needing to circle or divert to nearby airports. Passengers may face longer waiting times at terminals, while airlines must adjust schedules constantly to maintain safety and minimize disruption.
Economic Impact of Delhi Airport Flight Delays and NOTAM Restrictions
- Airlines incur extra costs for refunds, hotels, and re-routing.
- Passengers may lose workdays or vacation time.
- Tourism and logistics see minor dips.
- Republic Day celebrations still boost national pride despite flight restrictions.
Traveler Tips During Delhi Airport Flight Delays and NOTAM Restrictions
- Check airline apps and notifications regularly: Flight schedules may change at short notice due to the airspace closure and fog. Stay updated multiple times a day to avoid surprises.
- Arrive at the airport at least three hours early: Longer queues are expected as flights get bunched together. Early arrival ensures you have enough time for check-in and security.
- Choose flexible or refundable tickets: Opting for tickets with flexible options makes it easier to rebook or claim refunds if your flight is delayed or rescheduled.
- Consider alternate travel options: For short-distance trips, trains like the Vande Bharat or buses can be faster and more reliable than flights during this period.
- Prepare for delays: Carry snacks, water, and essentials, and pack patience. Track live updates on airport apps or social media to adjust plans in real time.
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