<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by Pickles:
Thanks, this helps. So, if I do the BOS-DFW-GDL-DFW-BOS-DCA-BOS-LHR (i.e. start via the Atlantic, only 6 NA segments) that should be OK?
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No. You still have a JFK-BOS segment at the end of the trip. You'll need to drop that and take the shuttle home.