I believe you will get your SIM card delivered within 1 to 3 days.
The express delivery option was offered at the beginning, for the first few months following beta and launch.
3 hours only for Montreal. 2 business days for the rest.
Check Fling's link, that gives you the best explanation
If you want a 25$ credit, after your 2nd month/payment, use the code DKJR7