When in doubt sue everyone and get them into one courtroom. Good luck.
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Your question has a myriad of unknowns. These include the disclaimers on the reams of documents one is subject to whe airline tickets are purchased, what federal and/or international laws affect situations such as yours (seek information from the FAA), what inter-airline agreements might exist, and so forth. You are talking about $3,500 losses from your statement. As irritating and expensive as your ordeal was, it is small change for a lawsuit. You should seek information and help from the FAA first, and see what they recommend, and go from there. If it takes you to an attorney, so be it.
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what does the fine print say on the respective agreements? Unfortunately, the cost to litigate will easily outweigh the amount for which you're selling recompense. Small claims court night be a viable option. Good luck.
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