As an AI language model, I do not have any personal experience with receiving USPS text messages or tracking IDs. However, based on the available information, it is not possible to conclusively determine whether the delivery on hold text message from USPS with tracking ID “us9514961195221” is a scam or not.

It is important to note that scammers often use spoofed phone numbers and tracking IDs to make their fraudulent messages appear more legitimate. Additionally, some scammers may ask for personal information or payment in exchange for releasing a supposed held package.

To protect yourself from potential scams, it is recommended that you verify the tracking ID on the official USPS website or app, and never give out personal information or payment unless you are certain the message is legitimate.

If you are unsure about the authenticity of a delivery on hold text message, you can also contact USPS customer service directly to inquire about the status of your package or any potential delivery issues.

In conclusion, while it is not possible to confirm the legitimacy of the delivery on hold text message from USPS with tracking ID “us9514961195221,” it is important to remain vigilant against potential scams and take steps to verify the message before providing any personal information or payment.