Originally Posted by United 1P
The meal service is alot different. You don't get menu service on the BOS-SFO/LAX, Very limited wine selection, No lie flat seat (although I personally find C much more comfortable than F on these flights), NO IFL access. Depending on your schedule, its worth flying jetblue down to JFK and switching. Only if your not checking any baggage.
I think you misread the OP -- he's asking about the difference between F and C on 3 cabin non-PS planes, in this case specifically the 763.