The production for the iPad Air 2 and the iPad Mini 3 is programmed for September.
If production is starting for a product, you know that the launch date is close. Since the iPhone 6 with a 4.7 Inch display is going to be available first, its production will start this month. The 5.5 Inch iPhone 6, the iPad Air 2 and the iPad Mini 3 will go into production in September .
If recent rumors are true, the iPad Air 2 is going to have quite a few updates over the existing model. A a TouchID fingerprint sensor is expected in the iPad Air 2, iPhone 6 and the iPad Mini 3.
The new iPads are also expected to feature an A8 mobile processor and the cameras for the iPad Mini 3 and the iPad Air 2 are also expected to get updates. Face Time will also be improved and the rear facing camera will get a higher resolution. We can´t say anything is official until we hear it from Apple but rumors is all we have to go on for now.