<p>Mumbai's Chhatrapati Shivaji Maharaj International <strong><a href="https://www.mid-day.com/mumbai/mumbai-news/article/mumbai-airport-t1-reconstruction-airlines-may-shift-to-navi-mumbai-says-mial-23652815" target="_blank" rel="nofollow noopener">Airport&rsquo;s Terminal 1</a></strong> will, from October 25, slowly start cutting down operations for a much-needed redevelopment. The terminal is one of the oldest standing buildings at the airport.&nbsp;</p>
<h2>Phased shutdown</h2>
<p>T1 will be closed for redevelopment in a phased manner starting the 25th of October 2026,&nbsp;only north section of T1-B building will be taken for demolition.</p>
<p><img title="Demolition work underway at Terminal 1. Pics/Satej Shinde" src="https://images.mid-day.com/images/images/2026/oct/to-phase-out-b_1790982411_s.jpg" alt="Demolition work underway at Terminal 1. Pics/Satej Shinde" /></p>
<h2>Flight shift</h2>
<p>Airlines that operate out of Terminal 1 are now in the decision-making process of shifting their operations to available slots at T2, while others have been given the option of shifting to <strong><a href="https://www.mid-day.com/mumbai/mumbai-news/article/mumbai-airport-t1-reconstruction-airlines-may-shift-to-navi-mumbai-says-mial-23652815" target="_blank" rel="nofollow noopener">Navi Mumbai International Airport</a></strong>.&nbsp;</p>
<h2>Passenger updates</h2>
<p>Passengers who already have tickets booked for after October 25 will be updated by the airlines concerned about any changes in the terminal or airport.</p>
<h2>OfficialSpeak</h2>
<p><strong>The airport operator, Mumbai International Airport Limited (MIAL)&nbsp;</strong><br />&ldquo;Terminal 1 is scheduled for demolition and reconstruction in line with AERA&rsquo;s tariff order. The work, originally planned for mid-2025, was deferred as there was no alternative operating facility for airlines. With Navi Mumbai International Airport [NMIAL] now operational, airlines have an alternative option within the Mumbai Metropolitan Region. The redevelopment will start in January 2027. <strong><a href="https://www.mid-day.com/mumbai/mumbai-news/article/mumbai-airport-staff-face-uncertainty-as-operations-may-shift-to-navi-mumbai-from-october-1-23647495" target="_blank" rel="nofollow noopener">Airlines may shift operations to NMIAL</a></strong> or temporarily suspend them from October 25 until the new Terminal 1 is commissioned in 2029-30. Mumbai International Airport Limited [MIAL] will honour airlines&rsquo; historic slot rights once the new terminal becomes operational.&rdquo;</p>

Mumbai airport T1 redevelopment: Airlines to shift operations to T2 or Navi Mumbai as redevelopment and reconstruction plans move ahead from October 25

Mumbai airport T1 redevelopment: Operations to be phased out from October 25

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