route Route

OSN → SEA

Q: How long is the flight from OSN to SEA?

Average flight time on the OSN–SEA route is 13h 40m , covering approximately 8,372 km (5,199 mi).

Q: What is the distance from OSN to SEA?

The great-circle distance from OSN to SEA is approximately 8,372 km (5,199 miles).

Q: How many flights per week from OSN to SEA?

We've observed ~1 flight per day on this route across our tracking data (1 total flight recorded).

8,372 km avg 13h 40m 0 airlines

Local time: 08:40 GMT+9
Timezone: Asia/Seoul
Type: Medium Airport
Elevation: 38 ft
Coordinates: 37.0915, 127.0294

cloud Weather

Wind: 240° / 7 kt
Visibility: 4 SM
Ceiling: OVC 900 ft
Temp / Dew: 26°C / 25°C
Altimeter: 29.51 inHg
Wx: BR

Obs: 2026-07-14T23:20:00.000Z

Raw METAR / TAF

SPECI RKSO 142320Z 24007KT 4SM BR OVC009 26/25 A2951 RMK AO2A CIG 008 RWY27 SLP996 FZRANO $

TAF RKSO 142145Z 1421/1605 25010G18KT 4800 BR BKN009 OVC025 QNH2950INS TEMPO 1421/1423 4000 -RA BR BKN008 BECMG 1503/1504 25010G20KT 8000 HZ FEW060 510003 QNH2954INS BECMG 1510/1511 27010KT 9999 NSW SCT090 QNH2961INS TX33/1505Z TN25/1421Z

Local time: 16:40 PDT
Timezone: America/Los_Angeles
Type: Large Airport
Elevation: 433 ft
Coordinates: 47.4479, -122.3103

cloud Weather

Wind: 280° / 9 kt
Visibility: 10 SM
Ceiling: FEW 5,000 ft, FEW 23,000 ft
Temp / Dew: 28°C / 4°C
Altimeter: 30.06 inHg

Obs: 2026-07-14T22:53:00.000Z

Raw METAR / TAF

METAR KSEA 142253Z 28009KT 10SM FEW050 FEW230 28/04 A3006 RMK AO2 SLP184 T02830044 $

TAF KSEA 142320Z 1500/1606 31008KT P6SM FEW250 FM150700 36004KT P6SM BKN120 FM151500 31003KT P6SM FEW250 FM152100 31007KT P6SM SKC

warning FAA Advisories

Ground Delay: wind (avg 28 minutes)

flight Live Traffic

flight_takeoff 308 Departures

flight_land 325 Arrivals

Flights tracked: 1
Avg duration: 13h 40m
Distance: 8,372 km

Live traffic

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

Other connections

More origins to SEA

SJC KSJC 464 flights
LAX KLAX 409 flights
PDX KPDX 296 flights
OAK KOAK 254 flights
SFO KSFO 236 flights
RDM KRDM 195 flights
JNU PAJN 177 flights
SNA KSNA 167 flights
GEG KGEG 158 flights
ORD KORD 153 flights

Recent flights last 1

Date	Flight	Aircraft	Takeoff	Landing	Duration	Arr Δ
2026-07-07	GTI8354	A865E3	Jul 7, 03:50 UTC	Jul 7, 17:30 UTC	13h 40m	-

OSN → SEA frequently asked

How long is the flight from OSN to SEA?

Average flight time on the OSN–SEA route is 13h 40m, covering approximately 8,372 km (5,199 mi).

What is the distance from OSN to SEA?

The great-circle distance from OSN to SEA is approximately 8,372 km (5,199 miles).

How many flights per week from OSN to SEA?

We've observed ~1 flight per day on this route across our tracking data (1 total flight recorded).

Can I track OSN–SEA flights live?

Yes. The live tracker map above shows aircraft currently flying this route, filtered by departure and arrival airport.

OSN → SEA

Osan Air Base

cloud Weather

Seattle–Tacoma International Airport

cloud Weather

warning FAA Advisories

flight Live Traffic

Live traffic

Other connections

More origins to SEA

Recent flights last 1

OSN → SEA frequently asked