Be warned that reprint dates are, shall we say, "ballpark" estimates. I'd say you can expect a reprint within a year of the projected date. Or a couple of years. Or more.
Popular and newer games might take less time. For example, Vinhos was only about 6 months late in getting to the US after the projected release. That's not counting that it was released in Europe 18 months earlier.
Gone Cardboard tells you AFTER the game has been reprinted. I think the OP is asking for a way to tell in advance so you can plan ahead.
In general, this is impossible. Tons of games are OOP with no idea if they'll ever be reprinted. If someone has specifically announced they will reprint a game, then they might give an estimate, which may or may not be accurate. It's all a crapshoot.
We're all in the same boat. You want to know when an actual physical copy of a reprinted game will be available so you can buy it. But the only way to know is after-the-fact, not in advance. Even with the best information, it's not real until it's real. Reprinted copies of Le Havre were shipped from Europe a few weeks ago and they're still not here, despite everyone estimating it wouldn't take this long. Go to the Vinhos forums and read about the months of delay in shipping this game to the states by container ship.
Basically what I'm trying to say is that the information isn't tracked anywhere because the information itself is an illusion that doesn't exist.
It seems insane that a company would not be able to tell when and if a product they are selling is going to available. Aren't there production schedules and contracts along the line?
There are many steps from when a game is a gleam in a designer's eye to when it arrives at your FLGS. Any one of which can cause a delay, for example a game shipment may be stuck in customs longer than expected.