Moderator: American AAdvantage
Join Date: May 2000
Location: NorCal - SMF area
Programs: AA LT Plat; HH LT Diamond, Maître-plongeur des Muccis
Posts: 62,948
You may wish to contact BAEC to see if you can get your Avios back. To determine the policy governing that, please consult the British Airways | Executive Club forum.
As to AA, the weather related issues are considered “force majeure”; AA won’t cover hotels, rental cars, etc. when the delaying conditions are beyond their control. As you were on separate ticketing, AA was obligated to deliver your baggage to you at IAD, no farther.