The early voting looks good, but the problem is we are behind or very close to behind in a LOT of otherwise GOP House districts if you believe polls.
Polls are based on estimate of turnout. If turnout differs to a significant degree then the results can be radically different then the polls.
Do the polls show that Republicans are +3 in early voting this year vs -3 in 2016 ? That is significant if polls have the standard model of Democrat +9 as we have been told.