Originally Posted by
stifle
Does the use of co-terminals count as a surface segment? For example, is JFK-LHR and then LGW-NCE counted as two segments or three?
Sadly, it counts as three segments
(but BTW BA flies LHR-NCE and LCY-NCE, but not LGW-NCE, but I suspect you were just using it as example, not with the intent of flying it
)