airberlin’s frequent flyer programme recognised for the 6th consecutive time as the programme with the best award flight availability by IdeaWorks Company evaluation

airberlin’s frequent flyer programme leads the international competition BERLIN, 2015-5-25 — /Travel PR News/ — Top marks for topbonus! airberlin’s frequent flyer programme has now been recognised for the sixth consecutive time as the programme with the best award flight availability. The evaluation was undertaken by the renowned US consulting firm, IdeaWorks Company. The evaluation… Read the full press release