Originally Posted by
nocharge
I agree that it would be hard to to use anything else. All I'm saying is that the credit you get is not for "actual miles you spend in your seat." It's likely to be slightly less.
... or slightly more.
A disproportionate number of my segments are (CLE-ORD, CLE-IAD, CLE-EWR) around 300-400 actual great circle miles or or even less (IAD-RIC) but they all credit 500 miles for LFM purposes (and significantly more for RDM purposes)