They are back and it's official. Got this email at 5:25pm Tuesday:

Congratulations on earning your daily Tier Credit Bonus in 2015.

You may have noticed that there was a slight delay in receiving your Tier Credit Bonus. Don't worry! Any bonus you earned between 1/1/2015 and 1/4/2015 has now been posted to your Total Rewards account, and you should see it reflected in your Tier Score by tomorrow.

And good news! All daily Tier Credit bonuses will continue throughout 2015:

Earn this many in one day*... ...and get this many more!
500 Tier Credits +125 Tier Credit bonus

1,000 Tier Credits
+1,000 Tier Credit bonus
2,500 Tier Credits
+5,000 Tier Credit bonus
Earns Platinum Status in one day!
5,000 Tier Credits
+10,000 Tier Credit bonus
Earns Diamond Status in one day!



Thank you for your continued loyalty. We look forward to seeing you again soon!