Transit Time defined for Internal location to Zone not working as expected

Summary:

Hi,

We have defined Transit Times between an Internal location and a zone.

Transit time setup as below:

From Internal Location to Zone. Assigned shipping method - Transit Time in Days = 8

Zone Type setup as below:

Limit by Postal Code Range - Yes

Boundary: Bounded by country

Country: United States

State: FL

Zone creation allowed: Yes - only at Postal code level

Zone Setup: Assigned geographies as a couple of postal codes (Same as the customer Site address)

Test cases

When we create Sales orders, GOP is considering SSD+Lead time = SAD logic for two customers.

For another two customers, GOP is not considering SSD+Lead time = SAD logic