£183m is about 10% of the profit BA made in FY 2018 before exceptional items:
> Despite these challenges, our revenues have held up, increasing 5.7 per cent versus last year. ... we achieved an operating profit of £1,952 million before exceptional items and a return on invested capital (RoIC) of 17.3 per cent
> Despite these challenges, our revenues have held up, increasing 5.7 per cent versus last year. ... we achieved an operating profit of £1,952 million before exceptional items and a return on invested capital (RoIC) of 17.3 per cent
source: page 18 of https://www.iairgroup.com/~/media/Files/I/IAG/documents/annu...
I think BA (and their parent IAG) are going to be just fine.