Originally Posted by slowplay

That's not the way it has worked so far...we once had a whole lot more 50 seat rj's and the first ones were delivered in 1993. That means a whole lot of them left when their DCI or EDC contracts were up, and that was well before 20 years. The 700's and EMB-170's are similary situated.

There's 311 of the 50's obligated through the end of 2015
.