The result of the British Airways cabin crew strike ballot is expected about 2pm this afternoon.
Early indications are that a majority have voted in favour of industrial action, though support was not as strong as the poll taken in December.
The earliest date that any strike action could take place is March 1.
Newspaper reports have claimed militant cabin crew members are targeting a 10-day strike, but that they will deliberately avoid disrupting the Easter holidays and a potential backlash from the British public.
BA's unionised cabin crew - who are members of the British Airlines Stewards and Stewardesses Association (Bassa), a branch of the Transport and General Workers Union - are unhappy that BA imposed a pay freeze on staff and reduced pay and conditions for new starts without consulting the union.
A High Court judge last week ruled that BA was within its rights to introduce the cost cutting measures.
BA is set to post record losses for the second consecutive year in April, though its Q4 figures for last year were better than forecast.
BA bosses and the Unite union continued discussions at the weekend but to no avail.
Arbitration body Acas said talks between BA and Unite were ongoing and would continue no matter the outcome of today's vote.