Hmm....
This got me thinking. I was probably going to do one of my 'long haul' BTV-PLB mileage runs to get the 10,000 bonus miles for the USAir Book 3 online/fly by the end of the year.
Currently, the discount RT is $70, but Y is $106! This is a route that has a great deal of frquency with 9 connections each way, each day.
Conceiveably, I could fly 6 RT in one day. This would yield:
40,000mi (2x20,000 US-Marriott bonus)
20,000mi (2x10,000 US Book 3 Online bonus)
6,000mi (regular online booking bonus)
6,000mi (12x500 minimum miles per flown segment)
6,000mi (12x500 Gold Tier minimum miles bonus)
--------
78,000mi Not bad for a day's work and $636
BTW, the total distance flown is 23 air miles per segment. That is 282.6 FF miles per mile flown.