I had the misfortune of flying Air Berlin in June from Chicago to Nice (via Berlin and Dusseldorf). My wife's bag was lost en route, and finally found and returned 12 days later. We filed a claim for expenses incurred to replace necessary items during this period (as instructed by Air Berlin) and later learned that only about 40% of the expenses would be reimbursed. I replied to Air Berlin that this was unacceptable and asked how to proceed and with whom. No response. 3 weeks later, I tried again and no response. I then posted on their Facebook page and immediately received a response that they would forward my request to customer service, but that was a week ago and still no response.
Does anyone have any suggestion as to how I should follow up and with whom to try and get an acceptable resolution? Needless to say, I will never fly Air Berlin again and would strongly urge the TripAdvisor community to be wary of this airline.