Istanbul Airport Informational Guide to Istanbul Airport (IST) - Non Official

TK643 Turkish Airlines - Flight Status

Below, you can find details about Turkish Airlines flight TK643, which currently operates between the airports of Istanbul - Istanbul Airport (Airport Code IST) and Yaounde - Nsimalen Airport (Airport Code NSI).
This flight data pertains specifically to the flight's details for Thursday, September 18, 2025.

TK643 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Flight Status

TK643 Turkish Airlines to Yaounde

En Route - On-time
Flight Status for Thursday September 18, 2025

Airline information

Turkish Airlines
Turkish Airlines
Equipment: Boeing 737MAX 8 Passenger

Departure

Istanbul (IST)
September 18, 2025
Istanbul Airport
Departed at:
19:16
Gate:
A8A
Scheduled Departure Time: 18:50

Arrival

Yaounde (NSI)
September 19, 2025
Nsimalen Airport
Estimated Arrival Time:
00:10
Terminal:
-
Gate:
-
Scheduled Arrival Time: 00:10
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.istanbul-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.

Codeshare Flights

This flight is shared with other airlines, this means that these other flights are the same:

- EY4148 - Etihad Airways

Additional Information

Which is the frequency of flight TK643?
The flight TK643 is scheduled to flight on Thursday, Saturday on a weekly basis.

Which is the distance of flight TK643?
The distance between the two airports is 4516 kilometers.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Istanbul: 2025-09-19 10:52:59
Current Time in Yaounde: 2025-09-19 08:52:59

Alternative Flights

The following airline serve the same route between Istanbul and Yaounde:
Turkish Airlines - Flight Number: TK669.

Punctuality and delays

It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from September 03, 2024 to March 22, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.

Last Past Flights TK643

Date
Departure
Arrival
Duration
Aircraft
Status
Friday
19 September
19:16
Istanbul (IST)
00:10
Yaounde (NSI)
06h 54min
Boeing 737MAX
Boeing 737MAX
- On-time
Sunday
14 September
19:12
Istanbul (IST)
00:04
Yaounde (NSI)
06h 52min
Boeing 737MAX
Boeing 737MAX
- On-time
Friday
12 September
19:19
Istanbul (IST)
00:10
Yaounde (NSI)
06h 51min
Boeing 737MAX
Boeing 737MAX
- On-time
Sunday
07 September
19:12
Istanbul (IST)
08:03
Yaounde (NSI)
14h 51min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Friday
05 September
20:13
Istanbul (IST)
01:12
Yaounde (NSI)
06h 59min
Boeing 737MAX
Boeing 737MAX
- Delayed
Sunday
31 August
20:59
Istanbul (IST)
09:43
Yaounde (NSI)
14h 44min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Friday
29 August
19:18
Istanbul (IST)
08:20
Yaounde (NSI)
15h 02min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Sunday
24 August
19:09
Istanbul (IST)
08:21
Yaounde (NSI)
15h 12min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Friday
22 August
19:12
Istanbul (IST)
00:34
Yaounde (NSI)
07h 22min
Boeing 737MAX
Boeing 737MAX
- Delayed