Incheon International Airport (ICN) is the origin airport and Niigata Airport (KIJ) is the destination airport.
ICN and KIJ are approximately 693 miles apart by great-circle distance.
Yes. Roame's current schedule feed shows nonstop service from ICN to KIJ.
Airlines represented in the current schedule are Delta Air Lines (DL), Japan Airlines (JL), Korean Air (KE) and Asiana Airlines (OZ).
Aircraft listed in the current schedule include Airbus A321neo (32Q), Boeing 737-900 / Boeing 737-900ER (739), Boeing 737-800 Winglets (73H) and Boeing 737 MAX 8 (7M8).