There have been quite a few new bonus mile opportunities released by both American and United that I’m just now catching up on. Here’s a summary of some of them:

American Airlines

• BOS-NRT: In celebration of the new nonstop service on Japan Airlines between Boston and Tokyo Narita, earn double redeemable miles every time you fly the route on a new Boeing 787. This offer is valid for travel on purchased, published Business Class and select Economy Class fares from April 22, 2012 through June 30, 2012. The Business Class fares must be booked in J, R, D or I; Economy Class fares booked in Y, W, B, H, K, M, L, V or S on American Airlines marketed flights; Business Class fares booked in J, C, D, X or I; Economy Class fares booked in Y, W, B, E, H, K, M, L, V or S on Japan Airlines operated flights. Offer code is BOSTY. Register here.
• DFW-BOS: Book a roundtrip ticket and fly on American Airlines between Dallas/Fort Worth and Boston between April 3, 2012 and June 30, 2012 and you’ll earn double elite status qualifying miles. Reservations containing open jaws are eligible. Reservation must be booked on or after April 3, 2012, to be eligible. Offer code is BOSEQ. Register here.
• LifeLock Identity Theft Protection: This offer seems to come and go from time to time and the current iteration offers up to 5,500 AAdvantage miles, plus a 10% discount. For the LifeLock basic package you earn 2,500 miles for the first year (must be active with LifeLock for 31 days to get the miles) and an additional 1,250 at the beginning of year two and three of service. For the LifeLock Ultimate package, earn 3,000 miles, plus the same 1,250 at the beginning of year two and three. Register here.

United Airlines

• IAD-DUB: Earn double redeemable miles from June 7, 2012 through September 30, 2012, when you register before travel, then fly between Washington, D.C. (IAD) and Dublin, Ireland. Ticketing dates: March 26, 2012 through September 30, 2012. Registration and full terms are here.
• EWR-EZE: Earn double redeemable miles from April 9, 2012 through July 31, 2012, when you register before travel, then fly between New York/Newark and Buenos Aires, Argentina. Ticketing dates: March 20, 2012 through July 31, 2012. Registration and full terms are here.
• IAD-MAN: Earn double redeemable miles from May 1, 2012 through September 30, 2012, when you register before travel, then fly between Washington, D.C. (IAD) and Manchester, England on United. Ticketing dates: March 26, 2012 through September 30, 2012. Registration and full terms here.
• Copa Airlines or Copa Airlines Colombia: Earn a one-time bonus of 2,000 MileagePlus redeemable miles on any flight operated by Copa or Copa Columbia. Offer valid for travel between March 19 and May 19, 2012. Eligible classes of service are C, D, Y, B, M, H, Q, K, V, U, S, W, E, L, T and N. Registration and full terms here.