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

GUM Airport Page →
1,965 mi airlines 1/wk
On-time Some delays Frequent delays
Flight Schedule 0 flights Verified 2h ago
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  Flight Airline AC Dep Arr Dur OTP Sched  

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP
✧ 2-STOP Loading...
Hagåtña to Pyeongtaek
Connecting service available through multiple hubs.
1 Flights/wk 1,965 mi 4h 25m nonstop -1h behind 2 1-stop hubs

While no nonstop service exists between GUM and OSN, connecting options are available through 2 hubs.

Also explore GUM Routes OSN Routes GUM Live Flights OSN Live Flights GUM Delays
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for GUM to OSN.
1-STOP
One-Stop Connections
2
Hubs
~17h
Fastest
~19h
Longest
ANC ~17h 57m HNL ~19h 22m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
5
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
GUM → OSN
80%
Generally reliable. Most flights run on time.
Departing
80%
Return
OSN → GUM
0%
Frequent delays expected. Consider flexible booking.
Arriving
0%
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.
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
Weekly flights1 out
1-stop connections2 hubs
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 approximately 4h 25m. The route covers 1,965 miles.
There are approximately 1 nonstop flights per week from GUM to OSN.
Yes, 1-stop connections are available through ANC and HNL. These options provide additional schedule flexibility.
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 ranges from 4 hours 25 minutes. The route covers a distance of 1,965 miles (3,162 km).

Connecting Options and Alternatives

2 one-stop connections are available, with the fastest taking approximately 17 hours via ANC. Two-stop connections are also available via intermediate hubs.