Originally Posted by Twin Wasp

I've used Pro Diem the last couple years. For a bunch of airlines, you can log into your scheduling web site through them, they'll download your last year's schedule and crunch the numbers, city by city, hour by hour. Or you can print out your schedule and mail it to them. Given that the government says it costs $159 a day to eat in Nagoya, my per diem is $57.60, and they charge $59 for their service (yes, it's a deduction on the following year's taxes), they're paid for in one 14 hour layover.