Approximately what time will our table be ready?

Meaning

Inquiring about estimated waiting time.

Examples

• John: <b>Approximately what time will our table be ready</b>?
• Alice: It should be about 15 minutes, sir.
• John: Thank you.
• Alice: You're welcome. We'll let you know as soon as it's available. If you need anything before then, just let us know. Again, <b>approximately what time will our table be ready</b> is 15 minutes