For 40 years, co-branded partnerships between card issuers and airline and hospitality companies featured relatively static pricing for the redemption of points for tickets or rooms. A cardholder could fly in economy class from the US to Europe or vice versa for 60,000 miles on American, Delta, United, etc. Delta Airlines (in 2015) and United Airlines (in 2019) started to address the growing problem of too many reward points in the frequent flyer market by removing fixed pricing for mileage awards. When the Covid-19 pandemic hit and travel stopped, co-branded cardholders were forced to stoc...