Originally Posted by Tpinks

This article I think is the most up to date answer to your questions. https://aviationweek.com/special-topics/crossover-narrowbody-jets/airbus-prepares-much-higher-a220-rates-new-versions

Currently, between Canada and Mobile, the 220 production rate is at 6 aircraft a month, however, they are not delivery 6 aircraft a month. By 2025, they want production to be at 14 aircraft a month, with 10 of those coming from the Canada lines and 4 on the A320 line in Mobile.