TWB421: Tway Airlines ICN→UBN · Tracker & History

Q: Where does flight TWB421 fly?

TWB421 (Tway Airlines) flies from ICN to UBN . View the full route page .

Q: How long is flight TWB421?

Based on observed flights, TWB421 takes on average 1h 35m from takeoff to landing.

Q: 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.

Live map

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

Route airports View route page →

Local time: 15:29 GMT+9
Timezone: Asia/Seoul
Type: Large Airport
Elevation: 23 ft
Coordinates: 37.4691, 126.4510

cloud Weather

Wind: 290° / 8 kt
Visibility: 6 SM
Ceiling: CAVOK
Temp / Dew: 35°C / 24°C
Altimeter: 29.65 inHg

Obs: 2026-08-07T06:00:00.000Z

Raw METAR / TAF

METAR RKSI 070600Z 29008KT 260V320 CAVOK 35/24 Q1004 NOSIG

TAF RKSI 070500Z 0706/0812 30007KT CAVOK TN27/0720Z TX35/0806Z BECMG 0714/0716 02010KT 6000 NSC BECMG 0717/0719 12007KT BECMG 0804/0806 05008KT SCT035

flight Live Traffic

flight_takeoff 12 Departures

flight_land 20 Arrivals

Local time: 14:29 GMT+8
Timezone: Asia/Ulaanbaatar
Type: Large Airport
Elevation: 4,482 ft
Coordinates: 47.6469, 106.8198

schedule Forecast (TAF)

TAF ZMCK 070437Z 0706/0812 15006MPS 9999 FEW030CB SCT033 TX27/0707Z TN16/0721Z BECMG 0713/0715 10007MPS BECMG 0801/0804 VRB02MPS

Recent history last 30

Date	Aircraft	Route	Takeoff	Landing	Duration	Dep Δ	Arr Δ
2026-07-26	71C560	ICN → UBN	Jul 26, 02:10 UTC	Jul 26, 09:50 UTC	7h 41m	-	-
2026-07-24	71C560	ICN → UBN	Jul 24, 03:35 UTC	Jul 24, 03:55 UTC	20m	-	-
2026-07-24	71C560	ICN → UBN	Jul 24, 02:20 UTC	Jul 24, 02:45 UTC	25m	-	-
2026-07-22	71C501	ICN → UBN	Jul 22, 03:50 UTC	Jul 22, 04:10 UTC	20m	-	-
2026-07-22	71C501	ICN → UBN	Jul 22, 02:25 UTC	Jul 22, 02:50 UTC	25m	-	-
2026-07-20	71C502	-	Jul 20, 02:05 UTC	Jul 20, 09:00 UTC	6h 55m	-	-
2026-07-19	71C501	-	Jul 19, 02:15 UTC	Jul 19, 03:45 UTC	1h 30m	-	-
2026-07-17	71C560	-	Jul 17, 03:30 UTC	Jul 17, 03:45 UTC	15m	-	-
2026-07-17	71C560	-	Jul 17, 02:15 UTC	Jul 17, 02:39 UTC	25m	-	-
2026-07-15	71C560	-	Jul 15, 03:20 UTC	Jul 15, 03:35 UTC	15m	-	-
2026-07-15	71C560	-	Jul 15, 02:05 UTC	Jul 15, 02:20 UTC	15m	-	-
2026-07-13	71C560	-	Jul 13, 02:05 UTC	Jul 13, 03:30 UTC	1h 25m	-	-
2026-07-12	71C501	-	Jul 12, 03:50 UTC	Jul 12, 04:10 UTC	20m	-	-
2026-07-12	71C501	-	Jul 12, 02:40 UTC	Jul 12, 03:01 UTC	20m	-	-
2026-07-10	71C560	-	Jul 10, 02:10 UTC	Jul 10, 04:00 UTC	1h 50m	-	-
2026-07-08	71C560	-	Jul 8, 03:35 UTC	Jul 8, 03:50 UTC	15m	-	-
2026-07-08	71C560	-	Jul 8, 02:20 UTC	Jul 8, 02:40 UTC	20m	-	-
2026-07-06	71C500	-	Jul 6, 02:40 UTC	Jul 6, 04:15 UTC	1h 35m	-	-
2026-07-05	71C560	-	Jul 5, 03:25 UTC	Jul 5, 03:45 UTC	20m	-	-
2026-07-05	71C560	-	Jul 5, 02:15 UTC	Jul 5, 02:35 UTC	20m	-	-
2026-07-03	71C500	-	Jul 3, 02:15 UTC	Jul 3, 08:55 UTC	6h 40m	-	-
2026-07-01	71C561	-	Jul 1, 02:15 UTC	Jul 1, 03:50 UTC	1h 35m	-	-
2026-06-29	71C560	ICN → UBN	Jun 29, 02:00 UTC	Jun 29, 03:34 UTC	1h 35m	-	-
2026-06-28	71C501	ICN → UBN	Jun 28, 02:05 UTC	Jun 28, 03:40 UTC	1h 35m	-	-
2026-06-26	71C560	ICN → UBN	Jun 26, 02:00 UTC	Jun 26, 03:34 UTC	1h 35m	-	-
2026-06-24	71C500	ICN → UBN	Jun 24, 03:24 UTC	Jun 24, 08:35 UTC	5h 10m	-	-
2026-06-24	71C500	ICN → UBN	Jun 24, 02:09 UTC	Jun 24, 02:30 UTC	20m	-	-
2026-06-22	71C500	ICN → UBN	Jun 22, 02:59 UTC	Jun 22, 04:40 UTC	1h 40m	-	-
2026-06-21	71C561	ICN → UBN	Jun 21, 02:15 UTC	Jun 21, 03:55 UTC	1h 40m	-	-
2026-06-19	71C560	ICN → UBN	Jun 19, 01:59 UTC	Jun 19, 02:19 UTC	20m	-	-

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.

TWB421