One of the claimed reasons they came up with this system so flying would not be instant and gold based. More than likely Blizz will look at the numbers and when they reach a certain level.then flying will be turned it on. it didn't matter much other than saving a few days on dailies, which most had to continue anyway.
There were players that farmed and bought rep boost medallions who unlocked it in 3-4 days or less, HU diplomat racial. friend had a human due to racial he unlocked flying in 11 days after 6.2, i had no human, but using a gnome DK i unlocked it on 14th day. into months and days when patch 6.2.2 finally rolled. they said when patch 6.2 (June 23 2015) flying would be turned on in days not weeks on a later small patch.and it ended up being weeks++. Congratulations! You have discovered Ironhorn Enclave.Comment by weibe23in WOD blizz didn't auto turn on flying right away. Click that green exclamation point enjoy that nice, easy flight back down. Make a left across the water and take the path upwards on the other side and there, as you arrive-out of breath and cold-is your flight path. You’ll eventually reach a sharp right that takes you down a rocky path leading straight into a small dwelling. Once across, head slightly down the hill to your left. Up, up, up you go until you reach a building and a distinctly unsafe-looking wooden bridge across a gaping chasm. It’s very steep and narrow in certain spots. The path takes you under strings of flags and twists left and right through the snow. Once across, keep to the right and follow the path up the hill. On your left you’ll see a wooden bridge you'll use to cross the river. At the top of the hill take a sharp right, avoiding the mobs ahead of you, and keep to the right of the river. Start at Thunder Totem, take the path north, and keep going up the hill.