<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by m60:
If you trip to DCA involves the shuttle, then chances are not good.</font>
I had no problem changing a connection from ATL-CLT-BOS to ATL-DCA-BOS (shuttle on second leg). However, this may have been because they created the problem (schedule change that broke the connection in CLT and the only repair without moving the connecting point got me to Boston substantially later).