| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Mar 14 | ICN | SYX | 22:18 | 01:19 |
Landed
|
Track > |
| Mar 11 | ICN | SYX | 22:11 | 01:36 |
Landed
|
Track > |
| Mar 07 | ICN | SYX | 23:38 | 02:56 |
Landed Late
|
Track > |
| Mar 04 | ICN | SYX | 22:20 | 02:01 |
Landed
|
Track > |
| Dec 13 | ICN | SYX | 22:05 | 02:15 |
En-Route
|
Track > |
| Jul 05 | ICN | SYX | 21:30 | 01:20 |
Unknown
|
Track > |
| Jul 02 | ICN | SYX | 22:05 | 01:03 |
Landed
|
Track > |
| Jun 28 | ICN | SYX | 22:10 | 01:01 |
Landed
|
Track > |
| Jun 25 | ICN | SYX | 21:48 | 00:36 |
Landed
|
Track > |
| Jun 21 | ICN | SYX | 22:41 | 01:29 |
Landed
|
Track > |
T'way Air Flight TW621 connects Seoul, South Korea to Sanya, China, taking off from Seoul Incheon International Airport ICN and landing at Sanya Phoenix International Airport SYX.
How long is the TW621 flight from Seoul to Sanya?
The average flight time from Seoul to Sanya is 4 hours and 6 minutes. The flight distance is 2700 km / 1678 miles and the average flight speed is 638 km/h / 397 mph.
What is the On-Time Performance (OTP) of T'way Air Flight TW621 Seoul to Sanya?
The Airportia On-Time Performance Rating for T'way Air Flight TW621 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest TW621 flight?
The latest flight took off on Saturday, March 14th, 2026 with the flight status being Landed on 01:19.
How else can the flight TW621 be referenced as?
This T'way Air flight can also be referenced as TWB621, TW0621, TW 621, TWB 621.
How often is flight TW621 delayed?
On average, 20% of all TW621 flights are delayed. The average delay is 25 minutes.
See our TW621 Flight Tracker above for more details.
Flight TW621 is code-shared by 1 airline using the flight number H15909
Other flights departing from Seoul ICN: LD119, BX7135, CX3037, A7911
Other flights arriving at Sanya SYX: JD5018, JD5918, MU9679, MU9791
All flights connecting Seoul ICN to Sanya SYX.
