Hagåtña to Pyeongtaek (GUM–OSN) — Airlines, Schedules & Connections

GUM Airport Page →
1,965 mi airlines charter/private
On-time Some delays Frequent delays
Flight Schedule No service Verified 2mos ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

Last scheduled nonstop: Mar 2026.

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Hagåtña to Pyeongtaek
Route information for GUM to OSN.
1,965 mi 4h 25m nonstop -1h behind

Also explore GUM Routes OSN Routes GUM Live Flights OSN Live Flights GUM Delays
All flights from Pyeongtaek (OSN) Pyeongtaek to Hagåtña flights
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
GUM → OSN
60%
Moderate delays possible. Allow buffer time.
Departing
60%
Return
OSN → GUM
100%
Generally reliable. Most flights run on time.
Arriving
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. GUM delays →
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-1h
Pyeongtaek is 1 hour behind Hagåtña.
GUM: ChST · OSN: KST

When it's 6:00 PM in Hagåtña, it's 5:00 PM in Pyeongtaek.
Distance & Flight Time
1,965 mi / 3,162 km
Nonstop flight time is approximately 4h 25m gate to gate.
Facts

GUM–OSN Quick Facts

Key statistics for the Hagåtña to Pyeongtaek route.
Route details
Distance1,965 mi / 3,162 km
Flight time4h 25m
Time difference-1 hour
Airlines (nonstop)0
Origin: GUM
Full nameAntonio B. Won Pat International Airport
IATA / ICAOGUM / PGUM
TimezonePacific/Guam
Passengers/yr1.9M
Elevation298 ft / 91 m
Destination: OSN
Full nameOsan Air Base
IATA / ICAOOSN / RKSO
TimezoneAsia/Seoul
Elevation38 ft / 12 m
FAQ

Frequently Asked Questions

Common questions about GUM to OSN flights.
Nonstop flights from Antonio B. Won Pat International Airport to Osan Air Base take about 4h 25m gate to gate. The route covers 1,965 miles.
Pyeongtaek is 1 hour behind Hagåtña.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from GUM to OSN

Antonio B. Won Pat International Airport (GUM) and Osan Air Base (OSN) are connected through multiple connecting hub airports.

GUM to OSN Flight Duration and Schedule

Nonstop flight time from GUM to OSN is about 4 hours 25 minutes gate to gate. The route covers a distance of 1,965 miles (3,162 km).