But…they said…
https://us.forums.blizzard.com/en/wow/t/flying-update-in-shadowlands/504662
“Specifically, the flight training rewards from Draenor Pathfinder and Broken Isles Pathfinder, Part Two will no longer be required for flying in Draenor or Broken Isles content. These will now be granted at level 30 with expert flying.”