B737NG and A320ceo backlog

Scott Hamilton posted a story last week commenting on the backlog situation of the B737NG. He Comes to the conclusion that there is a rather large gap and Boeing would need more than 350 more orders to fill the production until the B737MAX takes over in full.

How large the gap is depends on when exactly EIS of the B737MAX will be and how fast Boeing (and the suppliers) can ramp up production: