Apparatus

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flight_takeoff Flight

TWB421

Operated by Tway Airlines

Live map

Live map filtered to TWB421. Shown when the flight is currently airborne.

Route airports View route page →

Departure

ICN RKSI VFR

Incheon International Airport

Seoul, KR

Local time
16:26 GMT+9
Timezone
Asia/Seoul
Type
Large Airport
Elevation
23 ft
Coordinates
37.4691, 126.4510

cloud Weather

Wind
280° / 8 kt
Visibility
6 SM
Ceiling
CAVOK
Temp / Dew
26°C / 16°C
Altimeter
29.85 inHg

Obs: 2026-09-21T07:00:00.000Z

Raw METAR / TAF 
METAR RKSI 210700Z 28008KT CAVOK 26/16 Q1011 NOSIG

TAF RKSI 210500Z 2106/2212 30010KT CAVOK TN19/2120Z TX27/2205Z BECMG 2110/2112 02006KT BECMG 2115/2117 10007KT BECMG 2204/2206 32006KT

flight Live Traffic

flight_takeoff 27 Departures
flight_land 45 Arrivals

Arrival

UBN ZMCK VFR

Ulaanbaatar Chinggis Khaan International Airport

Ulaanbaatar (Sergelen), MN

Local time
15:26 GMT+8
Timezone
Asia/Ulaanbaatar
Type
Large Airport
Elevation
4,482 ft
Coordinates
47.6469, 106.8198

cloud Weather

Wind
280° / 14 kt
Visibility
6 SM
Ceiling
SCT 10,000 ft
Temp / Dew
21°C / -3°C
Altimeter
29.97 inHg

Obs: 2026-09-21T07:00:00.000Z

Raw METAR / TAF 
METAR ZMCK 210700Z 28007MPS 250V310 9999 SCT100 21/M03 Q1015 NOSIG RMK QFE645.8 20 MOP

TAF ZMCK 210452Z 2106/2212 28007MPS 9999 SCT033 TX22/2107Z TN04/2123Z BECMG 2109/2111 VRB02MPS BECMG 2200/2203 33007MPS FEW030CB SCT033

flight Live Traffic

flight_takeoff 1 Departures
flight_land 0 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 71C560 ICN → UBN Jul 26, 02:10 UTCJul 26, 09:50 UTC7h 41m - -
2026-07-24 71C560 ICN → UBN Jul 24, 03:35 UTCJul 24, 03:55 UTC20m - -
2026-07-24 71C560 ICN → UBN Jul 24, 02:20 UTCJul 24, 02:45 UTC25m - -
2026-07-22 71C501 ICN → UBN Jul 22, 03:50 UTCJul 22, 04:10 UTC20m - -
2026-07-22 71C501 ICN → UBN Jul 22, 02:25 UTCJul 22, 02:50 UTC25m - -
2026-07-20 71C502 - Jul 20, 02:05 UTCJul 20, 09:00 UTC6h 55m - -
2026-07-19 71C501 - Jul 19, 02:15 UTCJul 19, 03:45 UTC1h 30m - -
2026-07-17 71C560 - Jul 17, 03:30 UTCJul 17, 03:45 UTC15m - -
2026-07-17 71C560 - Jul 17, 02:15 UTCJul 17, 02:39 UTC25m - -
2026-07-15 71C560 - Jul 15, 03:20 UTCJul 15, 03:35 UTC15m - -
2026-07-15 71C560 - Jul 15, 02:05 UTCJul 15, 02:20 UTC15m - -
2026-07-13 71C560 - Jul 13, 02:05 UTCJul 13, 03:30 UTC1h 25m - -
2026-07-12 71C501 - Jul 12, 03:50 UTCJul 12, 04:10 UTC20m - -
2026-07-12 71C501 - Jul 12, 02:40 UTCJul 12, 03:01 UTC20m - -
2026-07-10 71C560 - Jul 10, 02:10 UTCJul 10, 04:00 UTC1h 50m - -
2026-07-08 71C560 - Jul 8, 03:35 UTCJul 8, 03:50 UTC15m - -
2026-07-08 71C560 - Jul 8, 02:20 UTCJul 8, 02:40 UTC20m - -
2026-07-06 71C500 - Jul 6, 02:40 UTCJul 6, 04:15 UTC1h 35m - -
2026-07-05 71C560 - Jul 5, 03:25 UTCJul 5, 03:45 UTC20m - -
2026-07-05 71C560 - Jul 5, 02:15 UTCJul 5, 02:35 UTC20m - -
2026-07-03 71C500 - Jul 3, 02:15 UTCJul 3, 08:55 UTC6h 40m - -
2026-07-01 71C561 - Jul 1, 02:15 UTCJul 1, 03:50 UTC1h 35m - -
2026-06-29 71C560 ICN → UBN Jun 29, 02:00 UTCJun 29, 03:34 UTC1h 35m - -
2026-06-28 71C501 ICN → UBN Jun 28, 02:05 UTCJun 28, 03:40 UTC1h 35m - -
2026-06-26 71C560 ICN → UBN Jun 26, 02:00 UTCJun 26, 03:34 UTC1h 35m - -
2026-06-24 71C500 ICN → UBN Jun 24, 03:24 UTCJun 24, 08:35 UTC5h 10m - -
2026-06-24 71C500 ICN → UBN Jun 24, 02:09 UTCJun 24, 02:30 UTC20m - -
2026-06-22 71C500 ICN → UBN Jun 22, 02:59 UTCJun 22, 04:40 UTC1h 40m - -
2026-06-21 71C561 ICN → UBN Jun 21, 02:15 UTCJun 21, 03:55 UTC1h 40m - -
2026-06-19 71C560 ICN → UBN Jun 19, 01:59 UTCJun 19, 02:19 UTC20m - -

Performance history

Flights tracked
44 showing last 30
Avg arrival delay
-
On-time arrival
-
Aircraft used
5

Monthly activity 2 months

Month Flights tracked
July 2026 22
June 2026 22

TWB421 frequently asked

Where does flight TWB421 fly?
TWB421 (Tway Airlines) flies from ICN to UBN. View the full route page.
How long is flight TWB421?
Based on observed flights, TWB421 takes on average 1h 35m from takeoff to landing.
How often does TWB421 fly?
TWB421 has been observed flying several times a week in our tracking data. We've recorded 44 flights under this callsign.
What aircraft operates flight TWB421?
TWB421 has been operated by 5 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track TWB421 live?
Yes. When TWB421 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.