Here is the iPad Air availability for the afternoon of the start of pre-orders. This data is for Apple and is current as of about 6.5 hours after pre-orders began. This information is just for Apple, and these may not be updated as often as the iPhone.
The 64GB Wi-Fi + Cellular models are still available for October 23rd delivery , and the 256GB Space Gray and Green Wi-Fi only models are still available for October 23rd delivery.
|Space Gray||4-6 business days||Oct 23|
|Silver||4-6 business days||4-6 business days|
|Rose Gold||4-6 business days||4-6 business days|
|Green||4-6 business days||Oct 23|
|Sky Blue||4-6 business days||4-6 business days|
|Wi-Fi + Cellular||64GB||256GB|
|Space Gray||Oct 23||7-10 business days|
|Silver||Oct 23||7-10 business days|
|Rose Gold||Oct 23||4-6 business days|
|Green||Oct 23||7-10 business days|
|Sky Blue||Oct 23||7-10 business days|