Air India and low-cost carrier Air India Express lost US$1.05 billion ($1.74b) in the 2024-5 financial year.
On June 12 last year, 241 people on board were killed when Flight 171 from Ahmedabad to London Gatwick Airport crashed.
Wilson was afterwards criticised for a speech in parts identical to one American Airlines chief executive Robert Isom gave after a fatal Washington DC crash five months earlier.
Wilson in 2023 told the Herald the chief executive’s job was “an opportunity to perform a national mission”.
New Delhi Television said Wilson called his resignation a “natural juncture” in a letter to employees.
The Financial Times said a source close to the airline felt Wilson’s resignation was a surprise.
Indian conglomerate Tata Group owns 74.9% of Air India.
Singapore Airlines owns 25.1%.
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