Originally Posted by
TxDucky
Given the a couple of 787's that are most likely "free airframes" with the removal of the PHL-DOH flight, MIA-JHB would be at the edge of the range of a 787-8 with JFK-JHB well beyond the advertised range.
There’s more to range than just distance, but JFK is of course slightly closer to JNB than MIA is, by great circle distance.