Originally Posted by Nitefrater

Charters and Extras get dealt with as follows: If there's more than 3 days to show time, the extra trip sits in open time for at least 24 hours. Less than 3 days to show, it sits in open time on sliding scale down to the minimum time for assignment. This gives the largest number a chance to put in for it. From those who put in for the charter/extra, the trip is assigned based on charter/extra "leveling" hours over the last year.