Mumbai/New Delhi, May 15 -- Air India posted an estimated loss of nearly $3 billion in FY26, as foreign exchange losses, airspace disruptions and elevated fuel costs battered the Tata Group-owned airline during the year.

The losses were large enough to significantly erode the dividend income parent Tata Sons earned from its cash cow Tata Consultancy Services (TCS) in the previous fiscal year.

According to the full-year earnings released by Singapore Airlines (SIA) on Thursday, the carrier's share of losses from Air India were at Singapore $945.2 million (US$742.4 million) in FY26, reflecting its 25.1% stake in the Tata Group-owned airline.

With currency conversions factoring in Thursday's exchange rates, as per this shareholding, Air I...