Trinity Airways TW421 Flight Status
According to Trip.com real-time data, the TW421 flight operated by Trinity Airways on Sep 20, 2026 is scheduled to fly from Seoul (ICN) to Ulaanbaatar (UBN). The flight is expected to depart at 10:40 AM (local time in Seoul, UTC+9) and land at 1:20 PM (local time in Ulaanbaatar, UTC+8) .
Fri, Sep 18
Sun, Sep 20
Mon, Sep 21
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Delayed
Your flight is about 0m late
3h 40m
Check-in Counter
A01-C34
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
3h 40m
Check-in Counter
A,B
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
3h 40m
Check-in Counter
A,B
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Information provided by VariFlight For real-time updates, please check airport displays or contact your airline. You can also explore more flights from Seoul to Ulaanbaatar or track other flights with our flight status tracker.
TW421 Aircraft Details
Plane model info unavailable
Punctuality (Departure)
63%
Punctuality (Arrival)
100%
Early on average
14 minutes
Age
--
Seats
--
Flight Distance
--
Economy
Premium Economy
Business
First
In-Flight Services
None
Unknown
Unknown
Unknown
Seat Information
--
Legroom
--
Seat width
--
Reclining Angle
--
Seat layout example
In-Flight Services
None
Unknown
Unknown
Unknown
Seat Information
--
Legroom
--
Seat width
--
Reclining Angle
--
Seat layout example
In-Flight Services
None
Unknown
Unknown
Unknown
Seat Information
--
Legroom
--
Seat width
--
Reclining Angle
--
Seat layout example
In-Flight Services
None
Unknown
Unknown
Unknown
Seat Information
--
Legroom
--
Seat width
--
Reclining Angle
--
Seat layout example
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Flight History for TW421
Check more records from Trip.com about TW421 before and after today
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Fri, Sep 11 | Seoul (ICN) | Ulaanbaatar (UBN) | 333 | 11:04 AM | 1:03 PM | Arrived |
| Sun, Sep 13 | Seoul (ICN) | Ulaanbaatar (UBN) | 333 | 11:00 AM | 1:06 PM | Arrived |
| Mon, Sep 14 | Seoul (ICN) | Ulaanbaatar (UBN) | B38M | 11:01 AM | 1:08 PM | Arrived |
| Wed, Sep 16 | Seoul (ICN) | Ulaanbaatar (UBN) | B38M | 11:08 AM | 1:06 PM | Arrived |
| Fri, Sep 18 | Seoul (ICN) | Ulaanbaatar (UBN) | 10:40 AM | 1:20 PM | Delayed | |
| Sun, Sep 20 | Seoul (ICN) | Ulaanbaatar (UBN) | 10:40 AM | 1:20 PM | Scheduled | |
| Mon, Sep 21 | Seoul (ICN) | Ulaanbaatar (UBN) | 10:40 AM | 1:20 PM | Scheduled | |
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TW421 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of TW421 is 63% (Late on average 27 minutes), and the on-time arrival rate is 100% (Early on average 14 minutes).
On-Time Departures
Punctuality
63%
Late on average 27 minutes
Early
0%
On time
63%
30 mins late
37%
60 mins late
0%
90 mins late
0%
Canceled
0%
On-Time Arrivals
Punctuality
100%
Early on average 14 minutes
Early
93%
On time
7%
30 mins late
0%
60 mins late
0%
90 mins late
0%
Canceled
0%
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Frequently Asked Questions
What is the current status of flight tw421?
Flight tw421 has not departed yet and is currently on schedule. Scheduled departure 10:40 AM, arrival 1:20 PM (updated Sep 20, 2026).Is flight tw421 on time today?
Flight tw421 has not departed yet and is currently on schedule. Scheduled departure is 10:40 AM, with arrival at 1:20 PM. Recheck gate and timing before you head to the airport.Has flight tw421 departed yet? What is the departure time?
Flight tw421 is scheduled to depart at 10:40 AM. The latest actual or estimated departure time is 10:40 AM, and the current status is Scheduled (updated Sep 20, 2026).When is flight tw421 scheduled to arrive?
Flight tw421 is scheduled to arrive at 1:20 PM. The latest estimated or actual arrival time is 1:20 PM. Status is Scheduled as of Sep 20, 2026.What route does flight tw421 fly?
Flight tw421 is operated by Trinity Airways from Seoul (ICN) to Ulaanbaatar (UBN). Typical flight time is about 3 hours40 minutes; operating days may include Sunday.How can I check real-time status for flight tw421?
Track flight tw421 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications.If flight tw421 is delayed or canceled, what should I do?
If tw421 is delayed or canceled, first confirm the latest status here (Scheduled, updated Sep 20, 2026). Contact Trinity Airways or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight tw421 departed from Seoul?
Flight tw421 has not departed from Seoul (ICN) yet and is currently on schedule for 10:40 AM.
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Arrival Info: Ulaanbaatar Weather & Current Time
Clear with poor air quality
|
2°C - 19°C
Weather forecast for your arrival day
-1 hour time difference
Time on arrival: Seoul 14:20| Ulaanbaatar 13:20
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