T'Way Air TW421 Flight Status Today

International flight T'Way Air TW421 takes off from Seoul (ICN) South Korea to Ulaanbaatar (UBN) Mongolia. It's operated by T'Way Air. The plane leaves Incheon International Airport at 11:20 Asia/Seoul. The flight is expected to land at Ulaanbaatar International Airport at 13:50 Asia/Ulaanbaatar. The flight will last about 3 hours 33 minutes.

TW421 - TWB421 T'Way Air (TW)
ICN Seoul South Korea
Flight ICN to UBN
UBN Ulaanbaatar Mongolia
Contact Airlines It may not operate on the date requested
Departure Incheon International Airport
IATA: ICNICAO: RKSI
Scheduled 11:20
1 128
Arrival Ulaanbaatar International Airport
IATA: UBNICAO: ZMCK
Scheduled 13:50
None None
TW421 Detail
  • Type: International Flight
  • Flight Duration: 3 hours 33 minutes
  • Flight Distance: 1962 kms / 1219 miles
Airline
  • T'Way Air
  • IATA: TW
  • ICAO: TWB
  • Operating Days: Monday, Wednesday, Friday, Sunday
Passenger Services
  • Service type: None
  • Seats: None
  • Freight capacity: None
  • Passenger classes: None
More Detail
  • Aircraft: Boeing 737-800 (winglets) Passenger/BBJ2
  • Callsign: T-F7M
  • Departure Timezone: Asia/Seoul
  • Arrival Timezone: Asia/Ulaanbaatar
  • Current Time in Seoul: Monday 2025-12-29 23:02 PM
  • Current Time in Ulaanbaatar: Monday 2025-12-29 22:02 PM

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T'Way Air Flight TW421 FAQs

What is the scheduled flight duration for T'Way Air TW421 flight?

On average, nonstop flight takes 3 hour(s) 33 minutes, with the flight distance of 1962 km (1219 miles).

What type of aircraft is used for the T'Way Air TW421 flight?

All T'Way Air TW421 flights are operated using Boeing 737-800 (winglets) Passenger/BBJ2 aircraft.

How many T'Way Air TW421 flights are operated a week?

4 flights per week. The Flight T'Way Air TW421 is operated on Monday, Wednesday, Friday, Sunday.