It's really hard to say. At a minimum, the freeze in in-person interviews and then backlogs in scheduling could delay the process significantly but because of

It's really hard to say. At a minimum, the freeze in in-person interviews and then backlogs in scheduling could delay the process significantly but because of the massive number of layoffs, high unemployment, and overall economic devastation and uncertainty, almost certainly there will be a lot fewer green card applications so some of the delays and backlogs might be reduced or go away.