| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 13 | IST | FRA | 04:16 | 05:49 |
Landed Late
|
Track > |
| Sep 28 | IST | FRA | 05:03 | 06:34 |
Landed
|
Track > |
| Sep 14 | IST | FRA | 05:06 | 05:40 |
Unknown
|
Track > |
| Sep 07 | IST | FRA | 03:40 | 05:40 |
Unknown
|
Track > |
| Aug 31 | IST | FRA | 03:40 | 05:40 |
Unknown
|
Track > |
| Aug 30 | IST | FRA | 15:28 | 16:45 |
Landed
|
Track > |
| Aug 30 | IST | FRA | 15:20 | 17:10 |
En-Route
|
Track > |
| Aug 24 | IST | FRA | 03:40 | 05:40 |
Scheduled
|
Track > |
| Aug 18 | IST | FRA | 03:57 | 05:25 |
Landed
|
Track > |
| Aug 17 | IST | FRA | 03:40 | 05:40 |
Unknown
|
Track > |
Turkish Airlines Flight TK6421 connects Istanbul, Turkey to Frankfurt, Germany, taking off from Istanbul Airport IST and landing at Frankfurt Airport FRA.
How long is the TK6421 flight from Istanbul to Frankfurt?
The average flight time from Istanbul to Frankfurt is 2 hours and 27 minutes. The flight distance is 1839 km / 1143 miles and the average flight speed is 665 km/h / 413 mph.
What is the On-Time Performance (OTP) of Turkish Airlines Flight TK6421 Istanbul to Frankfurt?
The Airportia On-Time Performance Rating for Turkish Airlines Flight TK6421 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight TK6421 arriving at?
Flight TK6421 arrives at Frankfurt Airport (FRA) Terminal 1.
When was the latest TK6421 flight?
The latest flight took off on Monday, October 13th, 2025 with the flight status being Landed on 05:49.
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, 10% of all TK6421 flights are delayed. The average delay is 17 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.
Other flights departing from Istanbul IST: HV3411, FV6734, TK6248, GO6248
Other flights arriving at Frankfurt FRA: EN8791, OS267, BJ2046, OS261
All flights connecting Istanbul IST to Frankfurt FRA.
