Originally Posted by Ftrooppilot

". . . any further increase above 153 76-seat jets will require substantial mainline fleet growth. For example, for the Company to add a 154th 76-seat jet, the mainline would have to be comprised of 768 mainline jets. Today the mainline fleet consists of 753 aircraft."

Projection: (From previous post)

Delta purchases 36 CRJ1000s for mainline pushing 753 to 789. In the process Delta negotiates a "final" regional scope limit of 99 seats. Everything 100 or above will belong to mainline.