you've been three hours late vs it's been three hours late

Some examples from the web:

• you've been three hours late
• You've been three hours.
• You've been gone three hours, my friend.
• You've been here three hours and you spent one of them in the bathroom.
• You've been working three hours and you're already tired!
• After all, you've been home less than three hours.
• You've been in here for three hours.
• You've been here for three hours, and you've spent one of them in the bathroom.
• You've been out here for three hours with your eyes closed
• You've been here for three hours?
• You've been here for three hours and you still can't find a print?
• (loud knocking) You've been in there for three hours!
• Where do you think I've been for three hours?
• So, you've been here for three hours and you haven't been up to his office?
• You've been here for three hours, and, frankly, I've had enough!
• You've been in your room three hours and your trunks haven't arrived?
• No, it's been three hours.
• It's been three hours. I missed you.
• No sightings of either subject but it's only been three hours.
• Zabvronians, It has been three hours.
• It has been three hours, tony.

Some examples from the web:

• it's been three hours late
• No, it's been three hours.
• You said a little late, and it's been three hours.
• [Door opens and closes] - But it's been three hours.
• Come on, Soc, it's been three hours, man.
• Come on, Soc, it's been three hours, man.
• It's been three hours. I missed you.
• It's been three hours since Moses was rushed to hospital.
• It's been three hours and the crab fishing reality show isn't budging.
• It's been three hours; he's still in surgery.
• It's been three hours Since we dropped out of FTL.
• It's been three hours and the crab fishing reality show isn't budging.
• It's been three hours, I can still feel my toes, so, that's good, right?
• It's been three hours, I can still feel my toes, so, that's good, right?
• But it's been three hours.
• It... it's been three hours.
• All right, it's been three hours.
• It's been three hours...
• Not yet? It's been three hours.
• It's been three hours!
• It's been three hours, Olbricht.