Here is the iPhone 13 mini, iPhone 13, iPhone 13 Pro, and iPhone 13 Pro Max availability of the early morning of Saturday, November 20th, 2021. There have been a ton of changes for both the carriers and for Apple with some models being "In Stock" meaning delivery within 3 to 4 days.
Changes for Apple
iPhone 13 mini
	- 256GB - Pink  has changed from Nov 26 - Nov 30 to In Stock
- 128GB - Blue  has changed from Nov 26 - Nov 30 to In Stock
- 256GB - Blue  has changed from Nov 26 - Nov 30 to In Stock
- 512GB - Blue  has changed from Nov 26 - Nov 30 to In Stock
- 256GB - Midnight  has changed from Nov 26 - Nov 30 to In Stock
- 512GB - Midnight  has changed from Nov 26 - Nov 30 to In Stock
- 128GB - Starlight  has changed from Nov 26 - Nov 30 to In Stock
- 256GB - Starlight  has changed from Nov 26 - Nov 30 to In Stock
- 256GB - PRODUCT(RED)  has changed from Nov 26 - Nov 30 to In Stock
iPhone 13
	- 128GB - Pink  has changed from Dec 7 - Dec 14 to Dec 1 - Dec 3
- 256GB - Blue  has changed from Dec 7 - Dec 14 to Dec 1 - Dec 3
- 512GB - Blue  has changed from Nov 26 - Nov 30 to Nov 29 - Dec 1
- 512GB - Midnight  has changed from Nov 26 - Nov 30 to In Stock
- 512GB - Starlight  has changed from Nov 26 - Nov 30 to Nov 29 - Dec 1
- 512GB - PRODUCT(RED)  has changed from Nov 26 - Nov 30 to In Stock
Changes for the Carriers
AT&T
	- iPhone 13 - 256GB - Blue has changed from Nov 29 - Dec 01 to Nov 24 - Nov 29
- iPhone 13 - 256GB - Midnight has changed from Nov 29 - Dec 01 to Nov 24 - Nov 29
- iPhone 13 - 256GB - PRODUCT(RED) has changed from Out of Stock to Nov 24 - Nov 29
- iPhone 13 Pro Max - 512GB - Sierra Blue has changed from Nov 29 - Dec 01 to Nov 24 - Nov 29
- iPhone 13 Pro Max - 512GB - Graphite has changed from Nov 29 - Dec 01 to Nov 24 - Nov 29
T-Mobile
	- iPhone 13 mini - 512GB - Pink has changed from Dec 21 - Jan 11 to Nov 20 - Nov 23
- iPhone 13 mini - 128GB - Blue has changed from Dec 07 - Dec 21 to Nov 20 - Nov 23
- iPhone 13 - 512GB - Pink has changed from Nov 19 - Nov 22 to Nov 22 - Nov 29
- iPhone 13 - 256GB - Midnight has changed from Nov 23 - Nov 29 to Nov 20 - Nov 23
- iPhone 13 Pro - 512GB - Sierra Blue has changed from Dec 28 - Jan 18 to Nov 20 - Nov 23
- iPhone 13 Pro - 128GB - Gold has changed from Nov 30 - Dec 14 to Nov 20 - Nov 23
- iPhone 13 Pro - 128GB - Graphite has changed from Nov 30 - Dec 14 to Nov 20 - Nov 23
- iPhone 13 Pro - 256GB - Graphite has changed from Nov 30 - Dec 14 to Nov 20 - Nov 23
- iPhone 13 Pro Max - 512GB - Silver has changed from Nov 19 - Nov 22 to Dec 21 - Jan 11
- iPhone 13 Pro Max - 256GB - Gold has changed from Dec 14 - Dec 28 to Nov 20 - Nov 23
- iPhone 13 Pro Max - 128GB - Graphite has changed from Nov 30 - Dec 14 to Nov 20 - Nov 23
- iPhone 13 Pro Max - 256GB - Graphite has changed from Nov 30 - Dec 14 to Nov 20 - Nov 23
Verizon
	- iPhone 13 mini - 128GB - Midnight has changed from Dec 10 to In Stock
- iPhone 13 Pro - 128GB - Gold has changed from Dec 10 to Dec 17
	iPhone 13 mini
	
		
			| Sim-Free | 128GB | 256GB | 512GB | 
	
	
		
			| Pink | In Stock | In Stock | In Stock | 
		
			| Blue | In Stock | In Stock | In Stock | 
		
			| Midnight | In Stock | In Stock | In Stock | 
		
			| Starlight | In Stock | In Stock | In Stock | 
		
			| PRODUCT(RED) | In Stock | In Stock | In Stock | 
	
	iPhone 13
	
		
			| Sim-Free | 128GB | 256GB | 512GB | 
	
	
		
			| Pink | Dec 1 - Dec 3 | In Stock | In Stock | 
		
			| Blue | In Stock | Dec 1 - Dec 3 | Nov 29 - Dec 1 | 
		
			| Midnight | In Stock | Dec 1 - Dec 3 | In Stock | 
		
			| Starlight | In Stock | In Stock | Nov 29 - Dec 1 | 
		
			| PRODUCT(RED) | In Stock | In Stock | In Stock | 
	
	iPhone 13 Pro
	
		
			| Sim-Free | 128GB | 256GB | 512GB | 1TB | 
	
	
		
			| Sierra Blue | Dec 8 - Dec 15 | Dec 8 - Dec 15 | Dec 8 - Dec 15 | Dec 8 - Dec 15 | 
		
			| Silver | Dec 8 - Dec 15 | Dec 8 - Dec 15 | Dec 8 - Dec 15 | Dec 8 - Dec 15 | 
		
			| Gold | Dec 8 - Dec 15 | Dec 8 - Dec 15 | Dec 8 - Dec 15 | Dec 8 - Dec 15 | 
		
			| Graphite | Dec 8 - Dec 15 | Dec 8 - Dec 15 | Dec 8 - Dec 15 | Dec 8 - Dec 15 | 
	
	iPhone 13 Pro Max
	
		
			| Sim-Free | 128GB | 256GB | 512GB | 1TB | 
	
	
		
			| Sierra Blue | Dec 8 - Dec 15 | Dec 8 - Dec 15 | Dec 8 - Dec 15 | Dec 8 - Dec 15 | 
		
			| Silver | Dec 8 - Dec 15 | Dec 8 - Dec 15 | Dec 8 - Dec 15 | Dec 8 - Dec 15 | 
		
			| Gold | Dec 8 - Dec 15 | Dec 8 - Dec 15 | Dec 8 - Dec 15 | Dec 8 - Dec 15 | 
		
			| Graphite | Dec 8 - Dec 15 | Dec 8 - Dec 15 | Dec 8 - Dec 15 | Dec 8 - Dec 15 | 
	
	iPhone 13 mini - Carriers
	
		
			| T-Mobile | 128GB | 256GB | 512GB | 
	
	
		
			| Pink | Nov 20 - Nov 23 | Nov 20 - Nov 23 | Nov 20 - Nov 23 | 
		
			| Blue | Nov 20 - Nov 23 | Nov 20 - Nov 23 | Dec 07 - Dec 21 | 
		
			| Midnight | Nov 20 - Nov 23 | Nov 20 - Nov 23 | Dec 21 - Jan 11 | 
		
			| Starlight | Dec 14 - Dec 28 | Nov 20 - Nov 23 | Dec 21 - Jan 11 | 
		
			| PRODUCT(RED) | Nov 20 - Nov 23 | Nov 20 - Nov 23 | Nov 20 - Nov 23 | 
	
	
		
			| Verizon | 128GB | 256GB | 512GB | 
	
	
		
			| Pink | In Stock | In Stock | In Stock | 
		
			| Blue | Dec 10 | Dec 31 | In Stock | 
		
			| Midnight | In Stock | Dec 10 | In Stock | 
		
			| Starlight | Dec 10 | Dec 17 | In Stock | 
		
			| PRODUCT(RED) | Dec 17 | In Stock | In Stock | 
	
	
		
			| ATT | 128GB | 256GB | 512GB | 
	
	
		
			| Pink | Nov 24 - Nov 29 | Dec 21 - Dec 29 | Nov 24 - Nov 29 | 
		
			| Blue | Dec 07 - Dec 14 | Dec 14 - Dec 21 | Nov 24 - Nov 29 | 
		
			| Midnight | Nov 30 - Dec 07 | Dec 14 - Dec 21 | Nov 24 - Nov 29 | 
		
			| Starlight | Nov 30 - Dec 07 | Dec 14 - Dec 21 | Nov 24 - Nov 29 | 
		
			| PRODUCT(RED) | Nov 24 - Nov 29 | Nov 24 - Nov 29 | Nov 24 - Nov 29 | 
	
	iPhone 13 - Carriers
	
		
			| T-Mobile | 128GB | 256GB | 512GB | 
	
	
		
			| Pink | Nov 20 - Nov 23 | Nov 20 - Nov 23 | Nov 22 - Nov 29 | 
		
			| Blue | Nov 20 - Nov 23 | Nov 20 - Nov 23 | Nov 20 - Nov 23 | 
		
			| Midnight | Nov 20 - Nov 23 | Nov 20 - Nov 23 | Nov 20 - Nov 23 | 
		
			| Starlight | Nov 20 - Nov 23 | Nov 20 - Nov 23 | Nov 20 - Nov 23 | 
		
			| PRODUCT(RED) | Nov 20 - Nov 23 | Nov 20 - Nov 23 | Nov 20 - Nov 23 | 
	
	
		
			| Verizon | 128GB | 256GB | 512GB | 
	
	
		
			| Pink | In Stock | In Stock | Dec 03 | 
		
			| Blue | In Stock | In Stock | In Stock | 
		
			| Midnight | In Stock | In Stock | In Stock | 
		
			| Starlight | In Stock | In Stock | In Stock | 
		
			| PRODUCT(RED) | In Stock | In Stock | In Stock | 
	
	
		
			| ATT | 128GB | 256GB | 512GB | 
	
	
		
			| Pink | Nov 24 - Nov 29 | Nov 24 - Nov 29 | Nov 29 - Dec 01 | 
		
			| Blue | Nov 24 - Nov 29 | Nov 24 - Nov 29 | Nov 24 - Nov 29 | 
		
			| Midnight | Nov 24 - Nov 29 | Nov 24 - Nov 29 | Nov 24 - Nov 29 | 
		
			| Starlight | Nov 24 - Nov 29 | Nov 24 - Nov 29 | Nov 29 - Dec 01 | 
		
			| PRODUCT(RED) | Nov 24 - Nov 29 | Nov 24 - Nov 29 | Nov 29 - Dec 01 | 
	
	iPhone 13 Pro - Carriers
	
		
			| T-Mobile | 128GB | 256GB | 512GB | 1TB | 
	
	
		
			| Sierra Blue | Nov 30 - Dec 14 | Nov 20 - Nov 23 | Nov 20 - Nov 23 | Dec 21 - Jan 11 | 
		
			| Silver | Dec 21 - Jan 11 | Dec 21 - Jan 11 | Dec 21 - Jan 11 | Dec 28 - Jan 18 | 
		
			| Gold | Nov 20 - Nov 23 | Dec 07 - Dec 21 | Nov 30 - Dec 14 | Dec 28 - Jan 18 | 
		
			| Graphite | Nov 20 - Nov 23 | Nov 20 - Nov 23 | Dec 21 - Jan 11 | Dec 28 - Jan 18 | 
	
	
		
			| Verizon | 128GB | 256GB | 512GB | 1TB | 
	
	
		
			| Sierra Blue | Dec 10 | In Stock | Dec 03 | Dec 17 | 
		
			| Silver | Dec 17 | In Stock | Dec 17 | Dec 17 | 
		
			| Gold | Dec 17 | In Stock | Dec 17 | Dec 17 | 
		
			| Graphite | Dec 17 | Dec 03 | Dec 17 | Dec 17 | 
	
	
		
			| ATT | 128GB | 256GB | 512GB | 1TB | 
	
	
		
			| Sierra Blue | Dec 21 - Dec 29 | Nov 29 - Dec 01 | Nov 30 - Dec 07 | Dec 07 - Dec 14 | 
		
			| Silver | Dec 14 - Dec 21 | Nov 30 - Dec 07 | Nov 30 - Dec 07 | Jan 13 - Jan 20 | 
		
			| Gold | Dec 07 - Dec 14 | Nov 30 - Dec 07 | Nov 30 - Dec 07 | Dec 07 - Dec 14 | 
		
			| Graphite | Dec 14 - Dec 21 | Nov 30 - Dec 07 | Nov 30 - Dec 07 | Dec 21 - Dec 29 | 
	
	iPhone 13 Pro Max - Carriers
	
		
			| T-Mobile | 128GB | 256GB | 512GB | 1TB | 
	
	
		
			| Sierra Blue | Nov 30 - Dec 14 | Dec 07 - Dec 21 | Dec 21 - Jan 11 | Dec 28 - Jan 18 | 
		
			| Silver | Nov 30 - Dec 14 | Dec 21 - Jan 11 | Dec 21 - Jan 11 | Dec 28 - Jan 18 | 
		
			| Gold | Nov 30 - Dec 14 | Nov 20 - Nov 23 | Dec 21 - Jan 11 | Dec 28 - Jan 18 | 
		
			| Graphite | Nov 20 - Nov 23 | Nov 20 - Nov 23 | Dec 28 - Jan 18 | Dec 28 - Jan 18 | 
	
	
		
			| Verizon | 128GB | 256GB | 512GB | 1TB | 
	
	
		
			| Sierra Blue | Dec 17 | In Stock | Dec 03 | Dec 10 | 
		
			| Silver | Dec 17 | Dec 10 | Dec 10 | Dec 10 | 
		
			| Gold | Dec 17 | Dec 10 | Dec 17 | In Stock | 
		
			| Graphite | Dec 17 | Dec 10 | Dec 10 | Dec 10 | 
	
	
		
			| ATT | 128GB | 256GB | 512GB | 1TB | 
	
	
		
			| Sierra Blue | Nov 30 - Dec 07 | Dec 07 - Dec 14 | Nov 24 - Nov 29 | Nov 29 - Dec 01 | 
		
			| Silver | Dec 21 - Dec 29 | Dec 07 - Dec 14 | Dec 07 - Dec 14 | Nov 30 - Dec 07 | 
		
			| Gold | Nov 30 - Dec 07 | Nov 30 - Dec 07 | Nov 24 - Nov 29 | Nov 30 - Dec 07 | 
		
			| Graphite | Nov 30 - Dec 07 | Nov 30 - Dec 07 | Nov 24 - Nov 29 | Nov 30 - Dec 07 |