A number of news reports are noting that US Airways’ CEO approached Delta this summer about a possible merger. Delta’s representatives say that they are not interested in a merger but, given the profitability of the recently merged US Airways, people are getting excited about the possibility of airline mergers again. This is insanity, as US Airways is an outlier in a sea of failed mergers. Could a merged Northwest and Delta be successful? Or a merged United and Delta? Uh, doubtful. But we’ll likely see a crazy merger in the next year as the market gets excited about consolidation.