Originally Posted by
acousticbiker
I experienced a minor inconvenience on a recent Swiss flight and was offered miles or a travel voucher as compensation. I don’t have a Miles & More account and don’t fly Swiss regularly, so was wondering whether miles or the voucher would be more useful for United?
This is really a question for the Miles & More forum. Miles can definitely be used on a UA flight, if there is award availability at the saver level. Vouchers probably can't.