In a significant escalation of tensions between India and Pakistan, both countries have closed their airspace to each other's airlines following a terrorist attack in Pahalgam, Kashmir on April 22, 2025. The attack, which resulted in the deaths of 26 tourists, has led to a series of retaliatory measures from both sides [3].

Pakistan initially closed its airspace to Indian airlines on April 25, 2025, citing security concerns [2]. India responded on April 30 by imposing similar restrictions, issuing a Notice to Airmen (NOTAM) that bars Pakistani flights from using Indian airspace until May 23 [1][5].

The airspace closure has significant implications for both countries' aviation sectors. Indian airlines such as IndiGo and Air India, which operate numerous international flights through Pakistani airspace to reach destinations in Southeast Asia, East Asia, and Australia, are now forced to reroute [2]. Similarly, Pakistani airlines, particularly those flying to East Asian countries, rely heavily on Indian airspace [1].

A senior Indian government official stated, "The Indian airspace will not be available for aircraft registered in Pakistan as well as for planes operated, owned or leased by Pakistan airlines and operators. The ban will also be applicable for Pakistani military aircraft" [5].

The airspace restrictions are part of a broader set of punitive measures implemented by both countries. India has suspended the Indus Waters Treaty, expelled Pakistani diplomats, and closed the Attari-Wagah border. In response, Pakistan has suspended the Simla Agreement and halted trade with India [3].

The closure of airspace is expected to have significant economic impacts on both countries. Airlines are now required to use longer, more fuel-intensive routes, increasing operational costs and flight durations [2]. Pakistan's national carrier has already cancelled flights to and from Gilgit, Skardu, and other northern areas in Pakistan-occupied Kashmir due to security reasons [2].

As tensions continue to rise, the international community watches closely, with concerns about the potential for further escalation in the region. The situation remains fluid, with both countries maintaining their respective positions as of May 1, 2025 [1][2][3].