I called yesterday asking whether it's possible to receive a Carlson/Aeromexico/LANPASS card instead of a FlexPerks card. The answer from the 1 agent I spoke with was "No".
Today, I received the following email, which makes me much happier about the upcoming conversion:
"You will be receiving your new U.S. Bank FlexPerks® Travel Rewards Visa Signature® Card within the next 4-6 weeks. You can continue to use your LifeMiles Visa Signature® Card until your new card arrives.
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Enrollment Bonus! Earn 20,000 bonus FlexPoints!
Spend $500 within 90 days of account conversion using your new U.S. Bank FlexPerks Travel Rewards Visa Signature Card and we'll reward you with 20,000 bonus FlexPoints – good for an airline ticket up to $400!
Plus, as a cardmember, you will enjoy 12 complimentary Gogo® Inflight Wi-Fi Passes on any participating airlines' Gogo-equipped aircraft."