Originally Posted by
ijgordon
It's not uncommon to see a situation where J is 3 or more greater than D, even when there is "plenty" of J. I see some J7 D4 and similar on JFK-LAX. But your point is still valid; this has to be a "mistake".
This week is full of "mistakes", like DFW-CDG showing Z7 for every flight in July
.