The net figure was $222m to 31 May, compared to $98m in the same period of 2014.
Its 100 ships brought in revenue of $3.59bn against $3.63bn the year before.
But total costs fell faster to to $3.3bn from $3.48bn.
Net revenue yields rose 4.1%, better than its guidance of between 2% and 3%.
Costs excluding fuel increased 6.1%, mainly due to an increase in drydock days.
Advance
