CJJ RKTU → UBN ZMCK

Cheongju International Airport/Cheongju Air Base (K-59/G-513) → Ulaanbaatar Chinggis Khaan International Airport

🇰🇷 Cheongju, KR → 🇲🇳 Ulaanbaatar (Sergelen), MN

Departure Airport

Cheongju International Airport/Cheongju Air Base (K-59/G-513)

ICAO Code:: RKTU
IATA Code:: CJJ
City:: 🇰🇷 Cheongju
Country:: KR
Elevation:: 191 ft

Destination Airport

Ulaanbaatar Chinggis Khaan International Airport

ICAO Code:: ZMCK
IATA Code:: UBN
City:: 🇲🇳 Ulaanbaatar (Sergelen)
Country:: MN
Elevation:: 4482 ft

2

Operators

2

Routes Tracked

1295

Miles

-

Flight Duration

Operating Airlines

Aero K ICAO: EOK • IATA: RF

Tway Air ICAO: TWB • IATA: TW

Airline	ICAO	IATA
Aero K	`EOK`	`RF`
Tway Air	`TWB`	`TW`

Flight Schedule Pattern

Day	Flights Observed	Frequency
Monday	0	0%
Tuesday	1	8%
Wednesday	4	33%
Thursday	0	0%
Friday	1	8%
Saturday	2	17%
Sunday	4	33%

Pattern Analysis

Data Points: 12
API observations used to build this analysis

Weekdays: 6 flights
Weekend: 6 flights

Balanced Route Consistent schedule

All Flight Routes

2 Routes

Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.

Airline	Flight Numbers	Aircraft Type	Typical Time	Days Active	Last Seen	Status
Aero K `EOK` / `RF`	-	A320	-	M T W T F S S	Oct 19, 2025	Active
Tway Air `TWB` / `TW`	-	B738	-	M T W T F S S	Aug 30, 2025	Active

Total Routes: 2

Active Routes: 2

Unique Airlines: 2

Aircraft Types: 2