United has a pretty interesting promo to stimulate first quarter travel that you must register for.
Fly 10,000 miles on any fare.
- If you do it by January 31st, you earn triple miles on all flights in qualifying classes for the rest of the quarter.
- If you do it by February 29th, you earn double miles on all flights in qualifying classes for the rest of the quarter.
- If you do it after February 29th, but before the end of the quarter, you earn 5000 bonus miles.
