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

TK439 Turkish Airlines - Flight Status

Codeshare Flights
The flight OU5355 from Croatia Airlines (OU) is a codeshare flight operated by Turkish Airlines (TK) under the flight number TK439. Check this page for details about flight TK439.

Below, you can find details about Turkish Airlines flight TK439, which currently operates between the airports of Istanbul - Istanbul Airport (Airport Code IST) and Dubrovnik - Dubrovnik Airport (Airport Code DBV).
This flight data pertains specifically to the flight's details for Saturday, October 18, 2025.

TK439 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

TK439 Turkish Airlines to Dubrovnik

Landed - On-time
Delay: 6 minutes
Flight Status for Saturday October 18, 2025

Airline information

Turkish Airlines
Turkish Airlines
Equipment: Airbus A321 (sharklets)

Departure

Istanbul (IST)
October 18, 2025
Istanbul Airport
Departed at:
19:20
Gate:
-
Scheduled Departure Time: 18:55

Arrival

Dubrovnik (DBV)
October 18, 2025
Dubrovnik Airport
Arrived at:
19:56
Terminal:
-
Gate:
-
Scheduled Arrival Time: 19:50
Baggage: 3
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:

- OU5355 - Croatia Airlines

Additional Information

Which is the frequency of flight TK439?
The flight TK439 is scheduled to flight on Tuesday, Thursday, Saturday on a weekly basis.

Which is the distance of flight TK439?
The distance between the two airports is 879 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: 2025-10-19 10:54:35
Current Time in Dubrovnik: 2025-10-19 09:54:35

Alternative Flights

The following airline serve the same route between Istanbul and Dubrovnik:
Turkish Airlines - Flight Number: TK437.

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 October 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 TK439

Date
Departure
Arrival
Duration
Aircraft
Status
Saturday
18 October
19:20
Istanbul (IST)
19:56
Dubrovnik (DBV)
01h 36min
Airbus A321 (s
Airbus A321 (s
Landed - On-time
Thursday
16 October
19:14
Istanbul (IST)
19:52
Dubrovnik (DBV)
01h 38min
Airbus A321 (s
Airbus A321 (s
Landed - On-time
Tuesday
14 October
19:15
Istanbul (IST)
19:52
Dubrovnik (DBV)
01h 37min
Airbus A321 (s
Airbus A321 (s
Landed - On-time
Saturday
11 October
19:59
Istanbul (IST)
20:34
Dubrovnik (DBV)
01h 35min
Airbus A321
Airbus A321
Landed - Delayed
Thursday
09 October
19:27
Istanbul (IST)
20:03
Dubrovnik (DBV)
01h 36min
Airbus A321 (s
Airbus A321 (s
Landed - On-time
Tuesday
07 October
19:07
Istanbul (IST)
19:32
Dubrovnik (DBV)
01h 25min
Airbus A321 (s
Airbus A321 (s
Landed - On-time
Saturday
04 October
19:19
Istanbul (IST)
20:03
Dubrovnik (DBV)
01h 44min
Airbus A321
Airbus A321
Landed - On-time
Thursday
02 October
18:55
Istanbul (IST)
19:50
Dubrovnik (DBV)
01h 55min
Airbus A321neo
Airbus A321neo
- On-time
Tuesday
30 September
19:04
Istanbul (IST)
19:43
Dubrovnik (DBV)
01h 39min
Airbus A321
Airbus A321
Landed - On-time
Saturday
27 September
20:09
Istanbul (IST)
20:52
Dubrovnik (DBV)
01h 43min
Airbus A321 (s
Airbus A321 (s
Landed - Delayed