USPS test: We mailed 4 packages with GPS trackers to see how quickly they got there
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How long does a package take in transit?
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13 Investigates: How long should it take for the postal service to deliver your packages?
USPS "In Transit, Arriving Late" - What Does it Mean?
What should I do if my USPS package has been in transit for too long?
Why is my USPS package still in transit?
What does "USPS package still in transit" mean?
Thousands of USPS packages 'stuck' in transit
How late can a USPS package arrive?
How long is USPS international transit?
USPS "In Transit, Arriving Late"
See Everything That Happens When a Package is Shipped | WIRED
Why has my USPS package been in transit for so long?
Should I worry? - In Transit To Destination Mean USPS | Geekzowns
What's Going on with USPS Delays?
Why you should track your package all the way until delivery? Reasons for you not getting your mail
Should I be worried if my USPS package is stuck in transit?
How mail agencies identify suspicious packages