| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 17 | ICN | IST | 13:27 | 18:15 |
Delayed
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| Oct 16 | ICN | IST | 11:41 | 16:36 |
Landed Late
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| Oct 14 | ICN | IST | 11:20 | 16:54 |
Delayed
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| Oct 12 | ICN | IST | 11:00 | 15:58 |
Landed
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| Oct 10 | ICN | IST | 10:44 | 15:32 |
Landed
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| Oct 09 | ICN | IST | 10:27 | 15:28 |
Landed
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| Oct 07 | ICN | IST | 10:36 | 15:29 |
Landed
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| Oct 05 | ICN | IST | 10:53 | 15:56 |
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| Oct 03 | ICN | IST | 10:48 | 16:13 |
Landed Late
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| Oct 02 | ICN | IST | 10:52 | 16:10 |
Landed Late
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Turkish Airlines Flight TK21 connects Seoul, South Korea to Istanbul, Turkey, taking off from Seoul Incheon International Airport ICN and landing at Istanbul Airport IST.
How long is the TK21 flight from Seoul to Istanbul?
The average flight time from Seoul to Istanbul is 11 hours and 4 minutes. The flight distance is 7924 km / 4924 miles and the average flight speed is 716 km/h / 445 mph.
How many TK21 flights are operated per week?
4 flights per week. The flight TK21 is operated on Monday, Wednesday, Friday and Saturday.
What is the On-Time Performance (OTP) of Turkish Airlines Flight TK21 Seoul to Istanbul?
The Airportia On-Time Performance Rating for Turkish Airlines Flight TK21 is 4.4/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest TK21 flight?
The latest flight took off on Saturday, October 17th, 2026 with the flight status being En-Route on 18:15.
How else can the flight TK21 be referenced as?
This Turkish Airlines flight can also be referenced as THY21, THY021, TK021, TK0021, TK 21, THY 21.
How often is flight TK21 delayed?
On average, 70% of all TK21 flights are delayed. The average delay is 49 minutes.
Can I get compensation for my delayed or cancelled TK21 flight or baggage issues?
If your TK21 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our TK21 Flight Tracker above for more details.
Claim compensation for your flight delay or cancellation!
Flight delays happen, but that doesn’t mean you have to accept them. You may be entitled to as much as 600€ in compensation if your flight has been delayed, cancelled or overbooked within the last three years. Claim Compensation Now >
Flight TK21 is code-shared by 1 airline using the flight number OZ6933
Other flights departing from Seoul ICN: DL158, OZ174, KE125, TG657
Other flights arriving at Istanbul IST: C6301, TK1794, TK1952, SU640
All flights connecting Seoul ICN to Istanbul IST.
