I’ve long had an unhealthy fascination with airline schedule change policies. I think it’s because they tend to reflect the personality of the airline itself in funny ways. But ever since the Department of Transportation pushed through new rules on refunds, Delta’s policy has stood out for being the complete and total opposite of what people think when they fly Delta. It is unfair to the traveler, and I imagine that this will drive up volume to the call center where a sympathetic age...