On average, how much are you paying for airfares? It's probably one the easiest travel metrics to understand and a seemingly simple approach to benchmarking. The problem is, average ticket price is a flawed measurement. Many travel management pros know it doesn't account for several important variables, though C-suite leaders may not. So what's better?

Some procurement people like cost per mile. As with some other metrics, it works best when an organization's travel patterns and buying behaviors don't change much year to year. Another is net effective discount, or average weighted discount — basically . . .

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