In economy, new class W earns 100%

First Class:
175% – R
150% – F, P

Business Class:
125% – J, C, O, Z

Economy Class:
100% – K, I, Y, W
75% - M,S
50% – T, H, E, B

Blackout dates for 2012 (no rewards flights available)

Within Korea: 1-2 Jan, 20-25 Jan, 1-4 Mar, 4-6 May, 26-28 May, 20 Jul-26 Aug, 28 Sep-3 Oct, 22-25 Dec, 29-31 Dec
International flights (excl. USA/Canada): 1-8 Jan, 20-25 Jan, 14 Jul-15 Aug, 28 Sep-3 Oct, 22-31 Dec
USA/Canada flights: 1-8 Jan, 20-25 Jan, 18 May-1 Jul, 14 Jul-15 Aug, 28 Sep-3 Oct, 7-31 Dec