Originally Posted by
UncleDude
Foreign Airlines are not allowed to operate Revenue Earning US Domestic flights YVR-JFK is International. Also you would have the added inconvenince of Immigration and Customs at Inital point of US arrival and as we all know this can be from 20 Mins to 2 Hours therefore totally impracticable for an Airline to schedule.
I was thinking no local traffic ORD/MIA (MIA has C&I facilities), thus no problem with intra-US revenue segments, and no deplaning at ORD for C&I.