The oneworld alliance, which includes British Airways and American Airlines, is reviewing the case for seeking members from the ranks of discount carriers while exploring measures to fill gaps in emerging markets.

Plans for Ireland’s Aer Lingus to join oneworld after its purchase by BA owner International Consolidated Airlines Group SA provide an opportunity for the alliance to simplify the process for integrating new members, he said, though the timing is a matter for IAG and “scoping work” hasn’t yet started.