Singapore Airlines, the world’s biggest carrier by market value, said it was too soon to say whether a rebound in air travel last month marked the beginnings of a long-term revival in demand.

“There is not enough evidence yet to conclude that we are back on a firm trail to recovery,” Chief Executive Officer Chew Choon Seng said yesterday at a Star Alliance press conference in New York. Whether the current uptrend persists “remains to be seen”.