Apparatus

Try JFK, AAL1290, BAW, or N225AN.

route Route

SEA → OSN

8,374 km avg 13h 35m 0 airlines

Departure

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
08:43 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
160° / 3 kt
Visibility
7 SM
Ceiling
SCT 25,000 ft
Temp / Dew
9°C / 9°C
Altimeter
30.20 inHg

Obs: 2026-10-16T14:53:00.000Z

Raw METAR / TAF 
METAR KSEA 161453Z 16003KT 7SM FEW000 SCT250 09/09 A3020 RMK AO2 SLP233 FG FEW000 FG BANK SE-SW-W T00890089 50000

TAF KSEA 161501Z 1615/1718 VRB03KT P6SM VCFG SCT250 FM161600 VRB03KT P6SM SCT250 FM161800 19006KT P6SM SCT250 FM170700 21006KT P6SM SCT020 BKN045 OVC070 FM171100 21006KT P6SM -RA OVC015

flight Live Traffic

flight_takeoff 172 Departures
flight_land 184 Arrivals

Arrival

OSN RKSO VFR

Osan Air Base

Pyeongtaek, KR

Local time
00:43 GMT+9
Timezone
Asia/Seoul
Type
Medium Airport
Elevation
38 ft
Coordinates
37.0915, 127.0294

cloud Weather

Wind
0° / 0 kt
Visibility
7 SM
Ceiling
CLR
Temp / Dew
15°C / 15°C
Altimeter
30.28 inHg

Obs: 2026-10-16T14:55:00.000Z

Raw METAR / TAF 
METAR RKSO 161455Z AUTO 00000KT 7SM CLR 15/15 A3028 RMK AO2 SLP257 T01520150 402530110 51007 FZRANO $

TAF RKSO 160500Z 1605/1711 33005KT 9999 FEW030 SCT180 QNH3021INS BECMG 1700/1702 11010G15KT 9999 SCT120 QNH3022INS TX26/1607Z TN12/1620Z LAST NO AMDS AFT 1605 NEXT 1813

flight Live Traffic

flight_takeoff 2 Departures
flight_land 0 Arrivals
Flights tracked
1
Avg duration
13h 35m
Distance
8,374 km

Live traffic

SEA → OSN. Live aircraft currently filed on this route.

Recent flights last 1

DateFlightAircraftTakeoffLandingDurationArr Δ
2026-07-05 GTI8353 A865E3 Jul 5, 17:45 UTCJul 6, 07:20 UTC13h 35m -

SEA → OSN frequently asked

How long is the flight from SEA to OSN?
Average flight time on the SEA–OSN route is 13h 35m, covering approximately 8,374 km (5,200 mi).
What is the distance from SEA to OSN?
The great-circle distance from SEA to OSN is approximately 8,374 km (5,200 miles).
How many flights per week from SEA to OSN?
We've observed ~1 flight per day on this route across our tracking data (1 total flight recorded).
Can I track SEA–OSN flights live?
Yes. The live tracker map above shows aircraft currently flying this route, filtered by departure and arrival airport.