All Dutch courses of Suitcase talen are fast paced, because they are for highly educated people.
When you start from zero, it takes 20 weeks to speak at level A2. It’s good to know that the Delft method A2 level is higher than that of the Civic Integration Exam up to January 2022.
After that, it takes another 20 weeks to reach level B1. This B1 level is again higher than that of traditional courses. The explanation for this is that you speak more.
B1 level serves you well in Dutch social life. Besides, it is required for the Civic Integration Exam after January 2022.
Read more about the levels in Language Levels CEFR