The second major airline mileage earning opportunity for Hilton stays to be released for Q3 comes to us from Delta SkyMiles. This offer is slighlty more lucrative than the Turkish Airlines offer as it covers more properties (Turkish is Doubletree only) and offers up triple miles versus double. What is interesting to note is that the registration page chooses to list the locations that are participating rather than those that are not like we see with the Q3 Double/Triple points offer for Hilton HHonors members. The list for the SkyMiles bonus isn’t huge by all means but if you have travels taking you to locations of participating hotels this can be a decent offer to take advantage of. The offer runs until September 30 and you have to register for it prior to completing your stay(s). Full details, Online Registration and Booking can be found here.