The following airlines offer domestic flights out of BWI:Airlines that have Joined Operation Hero Miles Delta Airlines Delta Airlines has donated 10 million miles to jump start Operation Hero Miles, enough for up to 400 round trip tickets.To donate your Delta SkyMiles, send the following information: Your SkyMiles account number Your name, address and phone number The amount of miles to be donated, and A request to have your miles donated to "SkyMiles for Heroes" You may send your donation request via: Fax to 404-773-1945 Mail to: Delta Air Lines Inc., SkyMiles Service Center, Dept. 654, P.O. Box 20532, Atlanta,...