The A220 ramp up has been painfully slow, they really need to be building 100/year by 2021 and 200/year by 2025
Why 200/year? The current backlog is 428; 2 years of backlog is too small.
Also, Embraer produced 1,500 E-Jets in 18 years and Bombardier 800 CRJ700/900/1000s in 20 years.
200/year seem too much; maybe 100/year is the magic number.
The max. capacity of the Montreal FAL is around 10/month, for the Mobile FAL around 4.
The maximum production/month will be reached in 2024 and there will be a sustained production of around 14/month in 2025. So there will be a production of around 155/year in 2025.
And if someone believes, there is a guy, to stupid to multiply few numbers...
A production year in Montreal is around 11 month, in Mobile around 11.5 or 12 month.
The Montreal FAL is far away to be completed. Bombardier just has had not the money any more, to complete it and the Canadian government was not willed to throw more money out of the window, than minimum needed, that the C100/C300 production did not collapse. Airbus is hard working, to identify all these bottlenecks and issues and to close them as fast as possible. When finally in 2021 or so the PRE-FAL assemble buildings have been completed than the real ramp up in Montreal can start. Additional the production line in Montreal is old fashion style, The assembling starts with 5 empty hull parts of the fuselage...lol. This is...old fashion and not Airbus mass production style. This will be changed. 3 parts, tail section, wing body with already attached wings and front part and all already pre-assembled with interior, floor plates, cables, pipes e.g.. These will be assembled and than pushed into the FAL building and the production will start. So the product is still not mass producible, this has till to be done.