Aero K Airlines RF421 flight status now

RF421 - EOK421 Aero K Airlines (RF)
CJJ Cheongju South Korea
Flight CJJ to UBN
UBN Ulaanbaatar Mongolia
Contact Airlines It may not operate on the date requested
Departure Cheongju Airport
IATA: CJJICAO: RKTU
Scheduled 21:30
None None
Arrival Ulaanbaatar International Airport
IATA: UBNICAO: ZMCK
Scheduled 00:05
None None
RF421 Detail
  • Type: International Flight
  • Flight Duration: 3 hours 35 minutes
  • Flight Distance: 2084 kms / 1295 miles
Airline
  • Aero K Airlines
  • IATA: RF
  • ICAO: EOK
  • Operating Days: Friday
Passenger Services
  • Service type: None
  • Seats: None
  • Freight capacity: None
  • Passenger classes: None
More Detail
  • Aircraft: Airbus A320
  • Callsign: None
  • Departure Timezone: Asia/Seoul
  • Arrival Timezone: Asia/Ulaanbaatar
  • Current Time in Cheongju: Tuesday 2025-11-18 23:45 PM
  • Current Time in Ulaanbaatar: Tuesday 2025-11-18 22:45 PM

International flight Aero K Airlines RF421 takes off from Cheongju (CJJ) South Korea to Ulaanbaatar (UBN) Mongolia. It's operated by Aero K Airlines. The plane leaves Cheongju Airport at 21:30 Asia/Seoul. The flight is expected to land at Ulaanbaatar International Airport at 00:05 Asia/Ulaanbaatar. The flight will last about 3 hours 35 minutes.

Similar flight route from Cheongju (CJJ) to Ulaanbaatar (UBN)

Airline Flight no Departure Arrival
T'Way Air TW425
T'Way Air 		18/11/2025
20:20 		3 hours 50 minutes
23:10

Frequently asked questions, answered

How long is the flight from Cheongju to Ulaanbaatar?

On average, nonstop flight takes 3 hour(s) 35 minutes, with the flight distance of 2084 km (1295 miles).

What type of aircraft is used for the Aero K Airlines RF421 flight?

All Aero K Airlines RF421 flights are operated using Airbus A320 aircraft.

How many Aero K Airlines RF421 flights are operated a week?

1 flights per week. The Flight Aero K Airlines RF421 is operated on Friday.