Turns out that Delta uses Korean Air to Seoul, and none of the Korean Air miles would go towards MVP. NW miles would, I think
What does the booking class L mean? Will I have a problem with status miles? Could I also use NW/Delta miles to upgrade?
Showing one way only:
Fri, Oct 30, 2009
Depart: 1:40 PM
Arrive: 4:40 PM
Duration: 11 hr 0 min
Northwest Airlines 295
Seattle, WA (SEA)
Tokyo (NRT)
Equipment: A330
Meal: Dinner
Approx. flight miles: 4,775
Seat(s): 24A
Booking class: L/Coach
Fare basis code: LLWSL82
Time between flights: 1 hr 45 min

Sat, Oct 31, 2009
Depart: 6:25 PM
Arrive: 9:30 PM
Duration: 3 hr 5 min
Northwest Airlines 349
Tokyo (NRT)
Seoul (ICN)
Equipment: 757
Meal: Dinner
Approx. flight miles: 740
Seat(s): 28A
Booking class: L/Coach
Fare basis code: LLWSL82