Delhi Airport handled a record 38.5 million passengers in H1 FY27, up 5% from last year, as the facility recovered from previous operational constraints. The growth highlights a recovery in travel demand, which is crucial for the revenue structure of GMR Airports Infrastructure as it manages heavy capacity expansion plans and debt.
Delhi Airport processed a record 38.5 million passengers during the first half of the 2026-27 financial year, an increase of 5% compared to the same period in the previous year. This performance reflects a steady rebound in demand across both domestic and international travel, helping the facility regain momentum after the operational hurdles that affected the previous fiscal cycle.
Data from the airport operator, Delhi International Airport Ltd (DIAL), shows that air traffic movements also saw an uptick, rising by 6.9% to 233,331. The passenger base for this six-month period consisted of 28.1 million domestic travelers and 10.4 million international passengers. On average, the airport processed approximately 6.5 million passengers every month.
For investors, this growth in throughput is a critical indicator of the operating environment for GMR Airports Infrastructure Ltd, which holds a stake in the facility. Airport businesses typically earn revenue from two primary sources: aeronautical charges, which are often governed by regulatory tariff orders, and non-aero revenue. The latter includes earnings from retail outlets, duty-free shops, food courts, and real estate development. Higher passenger volume directly supports non-aero revenue, which generally provides better profit margins for airport operators than core aeronautical services.
However, shareholders tracking the operator should also consider the company's financial structure. The airport sector is highly capital-intensive, requiring large investments to build and maintain infrastructure. As a result, companies in this space often carry significant debt loads, and large-scale expansion projects can put pressure on free cash flow in the short term. The company is currently working toward a long-term goal of increasing its total handling capacity to 125 million passengers annually, with a specific focus on scaling domestic throughput to 86 million.
This operational improvement comes after a challenging 2025-26 fiscal year, when passenger growth faced headwinds due to regional geopolitical tensions, airspace management issues, and extensive maintenance work on the airport's 10/28 runway strip. With those technical constraints now largely mitigated, the airport is better positioned to leverage its existing capacity of 106 million passengers.
Moving forward, the primary monitoring points for investors include the pace of capacity utilization as the facility works toward its 125 million passenger target. Additionally, any changes in airport tariff regulations and the company's ability to manage debt through operational cash flow remain key factors. Investors will also track how the airport maintains operational efficiency during any future phases of its expansion program or major planned upgrades.