I have been watching with interest the last few minutes WN 859 since I'm scheduled on it a few stops from now. It took off from PVD to BWI a little while ago, and has also apparently taken off from BWI to FLL a little more recently.
Flightstats doesn't show a tail number for the second WN 859 and I imagine some folks that think they're connecting from PVD to FLL will be disappointed?