​IndiGo and other airlines operating at Delhi’s Indira Gandhi International Airport (IGIA) are undergoing significant changes due to maintenance work at Terminal 2 (T2) and the full-scale operationalization of Terminal 1 (T1).​

Terminal Reassignments
IndiGo Airlines: Effective April 15, 2025, IndiGo will cease operations at T2, with all flights transitioning to T1 and Terminal 3 (T3). This shift is a result of T2 undergoing maintenance to enhance passenger facilities. Previously, IndiGo had resumed partial operations from T1 in September 2024, with specific flight numbers assigned to T1 and T3. ​

Akasa Air: Akasa Air, which primarily operated from T2, will now conduct all its flights from T1. This transition aligns with the airport’s efforts to streamline operations during T2’s maintenance period. ​

Terminal 1 Enhancements
Terminal 1 has undergone significant upgrades as part of the Phase 3A expansion project, aiming to accommodate the increased passenger load resulting from T2’s temporary closure. The enhancements include:​
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Expanded Capacity: T1’s capacity has been increased to handle up to 40 million passengers annually, positioning IGIA as the only airport in India capable of managing over 100 million passengers per year. ​
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Modern Facilities: Upgrades feature modern baggage handling systems, self-service kiosks, automated security checks, and direct metro connectivity. Additional amenities such as lounges, shopping, dining areas, and enhanced accessibility features have also been introduced. ​
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Passenger Advisory
Travelers are advised to verify their flight details and terminal information before arriving at the airport. While airlines are notifying passengers of these changes via email and WhatsApp, it’s prudent to consult the official websites for the most current information. This proactive approach ensures a smoother travel experience amid the ongoing terminal transitions.​

For the latest updates, passengers should refer to the official communications from their respective airlines and monitor announcements from Delhi International Airport Limited (DIAL).