It’s one of the unavoidable realities of airline customer service that three agents will often give you three different answers to the same question. But I recently discovered a more rare phenomenon: Dozens of agents consistently doing something the wrong way. Was it lack of knowledge or deliberately ignoring the rules?

Before I continue, let me say that there are numerous superb airline agents to whom I’m grateful for unknowingly teaching me the ropes of the complex air travel system for years by satisfying my insatiable curiosity. I’ve also praised U.S. agents for handling rebooking during irregular operations better than their colleagues at foreign airlines…