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Delhi Airport’s International Transfers Surge 244% in Two Years, IATA Data Shows

DIAL credits new Central Asia–Thailand links alongside transfer-focused upgrades for the surge.

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The DIAL said strategic connectivity is propelling its stature as the preferred international layover airport in the region. (X)

Overview

  • International-to-international transfers rose from 388,000 in FY2023 to 1.34 million in FY2025, according to IATA figures.
  • Total transfer traffic increased 30.6% to 20.3 million over the same period, with domestic-to-domestic connections up 15.9% to 10.5 million.
  • DIAL attributes a sharp jump in flows to IndiGo routes linking Bangkok and Phuket with Almaty, Tashkent, Tbilisi and Baku, reporting roughly a fivefold increase on those corridors.
  • A DIAL whitepaper cites expanded I-to-I transfer areas, added security lanes, new retail and dining, transit lounges, nap and shower facilities, and a transit hotel as enablers.
  • Delhi is the only Indian airport in ACI APAC & Middle East’s 2024 top-10 hub ranking, and the operator says Air India and IndiGo plan wider wide-body deployments that could further lift connectivity.