Apparatus

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flight_takeoff Flight

EOK421

Operated by Aero K

Live map

Live map filtered to EOK421. Shown when the flight is currently airborne.

Route airports View route page →

Departure

CJJ RKTU VFR

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

Cheongju, KR

Local time
19:28 GMT+9
Timezone
Asia/Seoul
Type
Large Airport
Elevation
191 ft
Coordinates
36.7156, 127.5003

cloud Weather

Wind
100° / 2 kt
Visibility
5.59 SM
Ceiling
BKN 4,500 ft
Temp / Dew
22°C / 16°C
Altimeter
29.91 inHg

Obs: 2026-09-29T10:12:00.000Z

Raw METAR / TAF 
SPECI RKTU 291012Z 10002KT 9000 BKN045 22/16 Q1013 RMK CIG045

TAF AMD RKTU 290855Z 2908/3012 12006KT 8000 -RA BKN030 TN14/2921Z TX27/3006Z BECMG 2910/2911 9999 NSW

Arrival

UBN ZMCK VFR

Ulaanbaatar Chinggis Khaan International Airport

Ulaanbaatar (Sergelen), MN

Local time
18:28 GMT+8
Timezone
Asia/Ulaanbaatar
Type
Large Airport
Elevation
4,482 ft
Coordinates
47.6469, 106.8198

cloud Weather

Wind
310° / 19G29 kt
Visibility
6 SM
Ceiling
SCT 3,300 ft
Temp / Dew
1°C / -7°C
Altimeter
30.12 inHg

Obs: 2026-09-29T10:00:00.000Z

Raw METAR / TAF 
METAR ZMCK 291000Z 31010G15MPS 9999 SCT033 01/M07 Q1020 NOSIG RMK QFE649.5 54 MOP

TAF ZMCK 290445Z 2906/3012 31012MPS 9999 SCT033 SCT100 TX01/2907Z TNM08/2923Z TEMPO 2906/2914 4500 SN BLSN FEW020 SCT030 BKN080 BECMG 2912/2914 31007MPS BECMG 3001/3003 29009MPS

flight Live Traffic

flight_takeoff 0 Departures
flight_land 1 Arrivals

Recent history last 27

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 71C744 CJJ → UBN Jul 26, 12:40 UTCJul 26, 14:20 UTC1h 40m - -
2026-07-24 71C743 CJJ → UBN Jul 24, 12:45 UTCJul 24, 21:15 UTC8h 30m - -
2026-07-22 71C540 CJJ → UBN Jul 22, 13:25 UTCJul 22, 15:10 UTC1h 45m - -
2026-07-20 71C743 CJJ → UBN Jul 20, 12:50 UTCJul 20, 21:15 UTC8h 25m - -
2026-07-19 71C743 - Jul 19, 12:50 UTCJul 19, 14:35 UTC1h 45m - -
2026-07-17 71C744 - Jul 17, 12:45 UTCJul 17, 21:20 UTC8h 35m - -
2026-07-15 71C744 - Jul 15, 13:05 UTCJul 15, 21:05 UTC8h 0m - -
2026-07-13 71C540 - Jul 13, 12:50 UTCJul 13, 14:35 UTC1h 45m - -
2026-07-12 71C743 - Jul 12, 12:50 UTCJul 12, 14:30 UTC1h 40m - -
2026-07-10 71C743 - Jul 10, 13:25 UTCJul 10, 15:10 UTC1h 45m - -
2026-07-08 71C540 - Jul 8, 12:55 UTCJul 8, 14:40 UTC1h 45m - -
2026-07-06 71C743 - Jul 6, 12:50 UTCJul 6, 14:35 UTC1h 45m - -
2026-07-05 71C743 - Jul 5, 12:40 UTCJul 5, 20:00 UTC7h 20m - -
2026-07-03 71C743 - Jul 3, 12:55 UTCJul 3, 14:35 UTC1h 40m - -
2026-07-01 71C743 - Jul 1, 13:05 UTCJul 1, 14:55 UTC1h 50m - -
2026-06-29 71C743 - Jun 29, 12:49 UTCJun 29, 14:39 UTC1h 50m - -
2026-06-28 71C743 - Jun 28, 12:50 UTCJun 28, 21:10 UTC8h 20m - -
2026-06-26 71C540 - Jun 26, 12:55 UTCJun 26, 14:35 UTC1h 40m - -
2026-06-24 71C540 CJJ → UBN Jun 24, 13:10 UTCJun 24, 15:09 UTC2h 0m - -
2026-05-10 71C743 CJJ → UBN May 10, 12:49 UTCMay 10, 13:14 UTC25m - -
2026-05-08 71C595 CJJ → UBN May 8, 12:44 UTCMay 8, 14:35 UTC1h 50m - -
2026-05-06 71C595 CJJ → UBN May 6, 12:55 UTCMay 6, 14:45 UTC1h 50m - -
2026-05-04 71C743 CJJ → UBN May 4, 12:55 UTCMay 4, 14:45 UTC1h 50m - -
2026-05-01 71C743 CJJ → UBN May 1, 12:50 UTCMay 1, 14:45 UTC1h 55m - -
2026-04-29 71C386 CJJ → UBN Apr 29, 12:45 UTCApr 29, 14:35 UTC1h 50m - -
2026-04-27 71C540 CJJ → UBN Apr 27, 12:50 UTCApr 27, 15:05 UTC2h 15m - -
2026-04-24 71C743 CJJ → UBN Apr 24, 12:45 UTCApr 24, 14:35 UTC1h 50m - -

Performance history

Flights tracked
27
Avg arrival delay
-
On-time arrival
-
Aircraft used
5

Monthly activity 4 months

Month Flights tracked
July 2026 15
June 2026 4
May 2026 5
April 2026 3

EOK421 frequently asked

Where does flight EOK421 fly?
EOK421 (Aero K) flies from CJJ to UBN. View the full route page.
How long is flight EOK421?
Based on observed flights, EOK421 takes on average 3h 11m from takeoff to landing.
How often does EOK421 fly?
EOK421 has been observed flying daily in our tracking data. We've recorded 27 flights under this callsign.
What aircraft operates flight EOK421?
EOK421 has been operated by 5 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track EOK421 live?
Yes. When EOK421 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.