All who are waiting for IELTS results due to on hold/Withheld email, here is my analysis after appearing 5 time in IELTS exam. out of 5 times, 4 time my result was on hold/withheld and one time canceled
There are two types of email subject you could receive
Withheld
This subject line is more concerned, so there could be following expected outcomes
Your score is higher in all modules
you might get results within one - two weeks
You have higher score in listening/reading and lower in one module either speaking or writing
You might get results within one - two weeks
You have higher score in listening/reading and lower(more than 1 band diff) in both modules writing/listening
Here two options can happen.
You might get results between 4 weeks to 2 months
Your results will be canceled permanently
On Hold/Delayed
In this case, you might get results within 1-3 weeks.