Here is the iPhone 13 mini, iPhone 13, iPhone 13 Pro, and iPhone 13 Pro Max availability of the early afternoon of Monday, November 15th, 2021. There have only been a few changes, mostly for the carriers. 
An important change is that some models of iPhone 13 mini and iPhone 13 from Apple have a delivery date of "Tomorrow" meaning that they have enough stock to be able to deliver these models quickly.
Changes for Apple
iPhone 13 mini
	- 512GB - Pink  has changed from In Stock to Tomorrow
- 512GB - Starlight  has changed from In Stock to Tomorrow
- 512GB - PRODUCT(RED)  has changed from In Stock to Tomorrow
iPhone 13
	- 128GB - Pink  has changed from In Stock to Dec 1 - Dec 8
- 256GB - Blue  has changed from In Stock to Tomorrow
- 256GB - Midnight  has changed from In Stock to Tomorrow
- 128GB - PRODUCT(RED)  has changed from In Stock to Tomorrow
- 256GB - PRODUCT(RED)  has changed from In Stock to Tomorrow
Changes for the Carriers
AT&T
	- iPhone 13 - 256GB - Midnight has changed from Nov 16 - Nov 17 to Nov 19 - Nov 22
- iPhone 13 - 128GB - PRODUCT(RED) has changed from Nov 16 - Nov 17 to Nov 23 - Dec 01
- iPhone 13 Pro - 256GB - Sierra Blue has changed from Nov 22 - Nov 30 to Nov 24 - Dec 02
- iPhone 13 Pro - 256GB - Silver has changed from Nov 22 - Nov 30 to Nov 24 - Dec 02
- iPhone 13 Pro Max - 512GB - Sierra Blue has changed from Nov 18 - Nov 19 to Nov 23 - Dec 01
- iPhone 13 Pro Max - 1TB - Sierra Blue has changed from Nov 18 - Nov 19 to Nov 23 - Dec 01
- iPhone 13 Pro Max - 512GB - Gold has changed from Nov 18 - Nov 19 to Nov 23 - Dec 01
- iPhone 13 Pro Max - 512GB - Graphite has changed from Nov 16 - Nov 17 to Nov 23 - Dec 01
T-Mobile
	- iPhone 13 mini - 128GB - Blue has changed from Nov 23 - Dec 07 to Nov 15 - Nov 18
- iPhone 13 - 128GB - PRODUCT(RED) has changed from Nov 22 - Dec 06 to Nov 15 - Nov 18
- iPhone 13 Pro - 128GB - Gold has changed from Nov 14 - Nov 17 to Nov 30 - Dec 14
- iPhone 13 Pro Max - 256GB - Sierra Blue has changed from Nov 14 - Nov 17 to Dec 21 - Jan 11
Verizon
	- iPhone 13 mini - 128GB - Midnight has changed from In Stock to Nov 19
- iPhone 13 Pro - 1TB - Sierra Blue has changed from Dec 10 to Dec 17
- iPhone 13 Pro - 512GB - Gold has changed from Dec 10 to Dec 17
- iPhone 13 Pro Max - 1TB - Sierra Blue has changed from Nov 19 to Dec 10
	iPhone 13 mini
	
		
			| Sim-Free | 128GB | 256GB | 512GB | 
	
	
		
			| Pink | Nov 23 - Nov 26 | Nov 23 - Nov 26 | Tomorrow | 
		
			| Blue | Nov 23 - Nov 26 | Nov 23 - Nov 26 | Nov 23 - Nov 26 | 
		
			| Midnight | Nov 23 - Nov 26 | Nov 23 - Nov 26 | Nov 23 - Nov 26 | 
		
			| Starlight | Nov 23 - Nov 26 | Nov 23 - Nov 26 | Tomorrow | 
		
			| PRODUCT(RED) | Nov 23 - Nov 26 | Nov 23 - Nov 26 | Tomorrow | 
	
	iPhone 13
	
		
			| Sim-Free | 128GB | 256GB | 512GB | 
	
	
		
			| Pink | Dec 1 - Dec 8 | Nov 23 - Nov 26 | Nov 23 - Nov 26 | 
		
			| Blue | Nov 23 - Nov 26 | Tomorrow | Nov 23 - Nov 26 | 
		
			| Midnight | Nov 23 - Nov 26 | Tomorrow | Nov 23 - Nov 26 | 
		
			| Starlight | Nov 23 - Nov 26 | Nov 23 - Nov 26 | Nov 23 - Nov 26 | 
		
			| PRODUCT(RED) | Tomorrow | Tomorrow | Nov 23 - Nov 26 | 
	
	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 15 - Nov 18 | Nov 15 - Nov 18 | Nov 15 - Nov 18 | 
		
			| Blue | Nov 15 - Nov 18 | Dec 07 - Dec 21 | Nov 30 - Dec 14 | 
		
			| Midnight | Nov 15 - Nov 18 | Nov 15 - Nov 18 | Nov 30 - Dec 14 | 
		
			| Starlight | Nov 16 - Nov 19 | Nov 15 - Nov 18 | Nov 16 - Nov 19 | 
		
			| PRODUCT(RED) | Nov 15 - Nov 18 | Nov 15 - Nov 18 | Nov 15 - Nov 18 | 
	
	
		
			| Verizon | 128GB | 256GB | 512GB | 
	
	
		
			| Pink | In Stock | In Stock | In Stock | 
		
			| Blue | In Stock | Dec 31 | In Stock | 
		
			| Midnight | Nov 19 | Dec 03 | In Stock | 
		
			| Starlight | In Stock | In Stock | In Stock | 
		
			| PRODUCT(RED) | Dec 17 | In Stock | In Stock | 
	
	
		
			| ATT | 128GB | 256GB | 512GB | 
	
	
		
			| Pink | Nov 17 - Nov 18 | Dec 15 - Dec 22 | Nov 17 - Nov 18 | 
		
			| Blue | Dec 01 - Dec 08 | Dec 08 - Dec 15 | Nov 17 - Nov 18 | 
		
			| Midnight | Nov 17 - Nov 18 | Dec 08 - Dec 15 | Nov 17 - Nov 18 | 
		
			| Starlight | Nov 23 - Dec 01 | Dec 15 - Dec 22 | Nov 17 - Nov 18 | 
		
			| PRODUCT(RED) | Nov 17 - Nov 18 | Nov 17 - Nov 18 | Nov 17 - Nov 18 | 
	
	iPhone 13 - Carriers
	
		
			| T-Mobile | 128GB | 256GB | 512GB | 
	
	
		
			| Pink | Nov 15 - Nov 18 | Nov 15 - Nov 18 | Nov 15 - Nov 18 | 
		
			| Blue | Nov 15 - Nov 18 | Nov 15 - Nov 18 | Nov 15 - Nov 18 | 
		
			| Midnight | Nov 15 - Nov 18 | Nov 30 - Dec 14 | Nov 15 - Nov 18 | 
		
			| Starlight | Nov 15 - Nov 18 | Nov 15 - Nov 18 | Nov 15 - Nov 18 | 
		
			| PRODUCT(RED) | Nov 15 - Nov 18 | Nov 15 - Nov 18 | Nov 15 - Nov 18 | 
	
	
		
			| Verizon | 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 | 
	
	
		
			| ATT | 128GB | 256GB | 512GB | 
	
	
		
			| Pink | Nov 17 - Nov 18 | Nov 17 - Nov 18 | Nov 19 - Nov 22 | 
		
			| Blue | Nov 17 - Nov 18 | Nov 17 - Nov 18 | Nov 17 - Nov 18 | 
		
			| Midnight | Nov 19 - Nov 22 | Nov 19 - Nov 22 | Nov 17 - Nov 18 | 
		
			| Starlight | Nov 17 - Nov 18 | Nov 17 - Nov 18 | Nov 19 - Nov 22 | 
		
			| PRODUCT(RED) | Nov 23 - Dec 01 | Nov 17 - Nov 18 | Nov 19 - Nov 22 | 
	
	iPhone 13 Pro - Carriers
	
		
			| T-Mobile | 128GB | 256GB | 512GB | 1TB | 
	
	
		
			| Sierra Blue | Nov 30 - Dec 14 | Nov 15 - Nov 18 | Dec 14 - Jan 04 | Nov 23 - Dec 07 | 
		
			| Silver | Nov 30 - Dec 14 | Dec 14 - Jan 04 | Dec 14 - Jan 04 | Nov 30 - Dec 14 | 
		
			| Gold | Nov 30 - Dec 14 | Nov 23 - Dec 07 | Dec 14 - Jan 04 | Nov 23 - Dec 07 | 
		
			| Graphite | Nov 30 - Dec 14 | Nov 23 - Dec 07 | Dec 14 - Jan 04 | Nov 30 - Dec 14 | 
	
	
		
			| Verizon | 128GB | 256GB | 512GB | 1TB | 
	
	
		
			| Sierra Blue | Dec 10 | In Stock | Dec 03 | Dec 17 | 
		
			| Silver | Dec 17 | In Stock | Dec 17 | Dec 10 | 
		
			| Gold | Dec 10 | In Stock | Dec 17 | Dec 17 | 
		
			| Graphite | Dec 17 | Dec 03 | Dec 10 | Dec 17 | 
	
	
		
			| ATT | 128GB | 256GB | 512GB | 1TB | 
	
	
		
			| Sierra Blue | Dec 15 - Dec 22 | Nov 24 - Dec 02 | Nov 23 - Dec 01 | Dec 01 - Dec 08 | 
		
			| Silver | Dec 08 - Dec 15 | Nov 24 - Dec 02 | Nov 23 - Dec 01 | Dec 22 - Dec 30 | 
		
			| Gold | Dec 01 - Dec 08 | Nov 23 - Dec 01 | Nov 23 - Dec 01 | Dec 01 - Dec 08 | 
		
			| Graphite | Dec 08 - Dec 15 | Nov 23 - Dec 01 | Nov 23 - Dec 01 | Dec 15 - Dec 22 | 
	
	iPhone 13 Pro Max - Carriers
	
		
			| T-Mobile | 128GB | 256GB | 512GB | 1TB | 
	
	
		
			| Sierra Blue | Nov 30 - Dec 14 | Dec 21 - Jan 11 | Nov 23 - Dec 07 | Nov 30 - Dec 14 | 
		
			| Silver | Nov 30 - Dec 14 | Nov 23 - Dec 07 | Nov 23 - Dec 07 | Dec 21 - Jan 11 | 
		
			| Gold | Nov 30 - Dec 14 | Nov 23 - Dec 07 | Nov 23 - Dec 07 | Dec 21 - Jan 11 | 
		
			| Graphite | Nov 30 - Dec 14 | Nov 23 - Dec 07 | Dec 21 - Jan 11 | Dec 21 - Jan 11 | 
	
	
		
			| Verizon | 128GB | 256GB | 512GB | 1TB | 
	
	
		
			| Sierra Blue | Dec 17 | Dec 10 | Dec 03 | Dec 10 | 
		
			| Silver | Dec 17 | Dec 10 | Dec 10 | Dec 03 | 
		
			| Gold | Dec 17 | Dec 10 | Dec 17 | Dec 10 | 
		
			| Graphite | Dec 17 | Nov 19 | Dec 10 | Dec 03 | 
	
	
		
			| ATT | 128GB | 256GB | 512GB | 1TB | 
	
	
		
			| Sierra Blue | Nov 23 - Dec 01 | Dec 01 - Dec 08 | Nov 23 - Dec 01 | Nov 23 - Dec 01 | 
		
			| Silver | Dec 15 - Dec 22 | Dec 01 - Dec 08 | Dec 01 - Dec 08 | Nov 23 - Dec 01 | 
		
			| Gold | Nov 23 - Dec 01 | Nov 23 - Dec 01 | Nov 23 - Dec 01 | Nov 23 - Dec 01 | 
		
			| Graphite | Nov 23 - Dec 01 | Nov 17 - Nov 18 | Nov 23 - Dec 01 | Nov 23 - Dec 01 |