| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 25 | IST | ATH | 13:20 | 18:00 |
Diverted
|
Track > |
| Claim > | ||||||
Turkish Airlines Flight TK6421 connects Istanbul, Turkey to Athens, Greece, taking off from Istanbul Airport IST and landing at Athens Eleftherios Venizelos ATH.
How long is the TK6421 flight from Istanbul to Athens?
The average flight time from Istanbul to Athens is 4 hours and 40 minutes. The flight distance is 553 km / 343 miles and the average flight speed is 118 km/h / 74 mph.
What is the On-Time Performance (OTP) of Turkish Airlines Flight TK6421 Istanbul to Athens?
The Airportia On-Time Performance Rating for Turkish Airlines Flight TK6421 is 1/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest TK6421 flight?
The latest flight took off on Thursday, June 25th, 2026 with the flight status being Diverted on 18:00.
How else can the flight TK6421 be referenced as?
This Turkish Airlines flight can also be referenced as THY6421, TK 6421, THY 6421.
How often is flight TK6421 delayed?
On average, 100% of all TK6421 flights are delayed. The average delay is 275 minutes.
Can I get compensation for my delayed or cancelled TK6421 flight or baggage issues?
If your TK6421 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 TK6421 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 >
Other flights departing from Istanbul IST: TK2260, TK6421, TK6551, GO6551
Other flights arriving at Athens ATH: AC922, LS1407, A3629, GQ840
All flights connecting Istanbul IST to Athens ATH.