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OSN

Osan Air Base

Pyeongtaek, KR
Security · Predicted
min
For departing passengers
Immigration · Predicted
min
For arriving passengers
Check-in
min
For departing passengers
Data quality
Ctier
Security · today · typical by hour
Estimated Fast · steady Fast all day
Estimated reading for this moment. Bars show typical wait per hour — past and future hours use the same historical pattern, not live queue clocks for each bar.
12a
3a
6a
9a
12p
3p
6p
9p
FastNormalSlowSevereCurrent hour
Immigration · today · typical by hour
Estimated Fast · steady Fast all day
Estimated reading for this moment. Bars show typical wait per hour — past and future hours use the same historical pattern, not live queue clocks for each bar.
12a
3a
6a
9a
12p
3p
6p
9p
FastNormalSlowSevereCurrent hour

When to Arrive

Domestic Flight
90 min
before departure
International Flight
150 min
before departure
Full When-to-Arrive Guide
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Live status

Quiet

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Total Queue Time Estimate

Combined
Security
7
min
Immigration
7
min
Total
14
min
Add ~30 min for check-in & boarding
See breakdown

Wait Time History — Osan Air Base

Historical

Security wait times at OSN over time, based on live sensor and API data.

24h / 3d / 7d
Security wait
No historical wait data yet for this range.
Check back soon — data is captured hourly.

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Airport Information

Related Airports & Connections

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Same Country

Other airports in South Korea

ICN

Incheon International

Security•Immigration
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Tips for Osan Air Base

  • Arrive at least 150 minutes before your flight to allow time for check-in, security, and immigration.
  • Security is typically busiest 6-9 AM and 4-7 PM. Midday flights (11 AM-2 PM) usually have the shortest queues.
  • Check in online and use mobile boarding passes to skip the check-in counter and head straight to security.
  • Tuesdays and Wednesdays typically have the lightest passenger traffic. Friday afternoons and Sunday evenings are usually the busiest.

Next 12 hours

Security · OSN · Predicted
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— P50▮ P90 band⇢ Pad for worst-case confidence
Today's forecastLCL
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More About Osan Air Base

OSN Security Wait Times
Detailed checkpoint data and predictions for Osan Air Base
OSN Immigration & Passport Control
Immigration processing times and tips for arriving passengers
Best Time to Arrive at OSN
Personalized arrival time recommendations based on your flight
OSN When-to-Arrive Calculator
Calculate exactly when to leave for your OSN flight
Compare OSN with Other Airports
See how OSN wait times stack up against any airport

OSN Airport FAQs

For Osan Air Base in Pyeongtaek, arrive 2 hours before domestic flights and 3 hours before international flights. Current wait times show approximately 7 minutes for security and 7 minutes for immigration, so plan accordingly.
The queue index at Osan Air Base indicates overall airport congestion levels based on security, immigration, and check-in wait times. A low queue index (under 30%) means smooth operations, moderate (30-70%) suggests normal traffic, and high (over 70%) indicates busy conditions with longer waits.
Osan Air Base offers various amenities including TSA PreCheck and Clear for expedited security, lounges, dining and shopping, currency exchange, free WiFi, and ground transportation options. Premium travelers can access airline lounges with Priority Pass or credit card memberships.
Terminal connections at Osan Air Base vary by airport. Most large airports offer free shuttle services, AirTrain or automated people movers, and walking paths. Check the airport map or information desk for the fastest route between terminals.

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All wait times, delays, and info

Security Wait Times

TSA/security checkpoint data

7
min
Passport Control

Immigration & customs times

7
min
Airport Lounges

Lounge directory & reviews

Airport Map

Location & nearby airports

Quick Info

IATA Code
OSN
Location
Pyeongtaek
South Korea
Current Status
Quiet Traffic
Busiest Months
JulAugDec
Resources
Seat Maps

Quick Links

Off-Airport Parking
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Osan Air Base (OSN) provides real-time security, check-in, and immigration wait time data. Sign up for detailed wait time estimates.

Last updated: July 22, 2026

About Osan Air Base

Osan Air Base (OSN) serves Pyeongtaek in South Korea. Travelers flying through OSN should plan for variable security wait times depending on time of day and season.

International travelers arriving at OSN should plan ahead for immigration processing. Have your passport and any required visa documents ready before reaching the immigration desk to speed up processing.

The busiest travel periods at OSN are Jul, Aug, Dec. During these months, wait times can be 30-50% longer than average. Arriving early is always recommended during busy periods.

Compare Wait Times

OSN7 min
ICNIncheon International