This is from Routes on line.
Korean Air in recent schedule and inventory update adjusted planned Seoul Incheon – Houston route, with last flight scheduled on 10OCT17. Despite schedule listing shows service to resume from 29OCT17, reservation for this 3 weekly is closed on/after this date.
Previously planned schedule during winter season (05NOV17 – 09MAR18) as follow.
KE029 ICN0935 – 0735IAH 772 257
KE030 IAH0940 – 1555+1ICN 772 7
KE030 IAH0950 – 1605+1ICN 772 25