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, August 30, 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

Scheduled - On-time
Flight Status for Saturday August 30, 2025
This flight is also scheduled for Tomorrow (August 31, 2025). See it here

Airline information

Turkish Airlines
Turkish Airlines
Equipment: Airbus A321neo

Departure

Istanbul (IST)
August 30, 2025
Istanbul Airport
Estimated Departure Time:
18:55
Gate:
-
Scheduled Departure Time: 18:55

Arrival

Dubrovnik (DBV)
August 30, 2025
Dubrovnik Airport
Estimated Arrival Time:
19:50
Terminal:
-
Gate:
-
Scheduled Arrival Time: 19:50
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, Sunday 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: 2025-08-30 08:51:38
Current Time in Dubrovnik: 2025-08-30 07:51:38

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 Weekday: We have gathered available data from last six months, spanning from March 01, 2025 to March 22, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from August 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
Thursday
28 August
19:29
Istanbul (IST)
19:57
Dubrovnik (DBV)
01h 28min
Airbus A321
Airbus A321
Landed - On-time
Tuesday
26 August
19:11
Istanbul (IST)
19:41
Dubrovnik (DBV)
01h 30min
Airbus A321 (s
Airbus A321 (s
Landed - On-time
Sunday
24 August
19:14
Istanbul (IST)
19:47
Dubrovnik (DBV)
01h 33min
Airbus A319
Airbus A319
Landed - On-time
Saturday
23 August
19:48
Istanbul (IST)
20:16
Dubrovnik (DBV)
01h 28min
Airbus A321
Airbus A321
Landed - Delayed
Thursday
21 August
19:28
Istanbul (IST)
20:02
Dubrovnik (DBV)
01h 34min
Airbus A320
Airbus A320
Landed - On-time
Tuesday
19 August
19:11
Istanbul (IST)
19:44
Dubrovnik (DBV)
01h 33min
Airbus A321
Airbus A321
Landed - On-time
Sunday
17 August
19:40
Istanbul (IST)
20:08
Dubrovnik (DBV)
01h 28min
Airbus A320
Airbus A320
Landed - Delayed
Saturday
16 August
19:34
Istanbul (IST)
19:59
Dubrovnik (DBV)
01h 25min
Airbus A321
Airbus A321
Landed - On-time
Thursday
14 August
19:38
Istanbul (IST)
20:00
Dubrovnik (DBV)
01h 22min
Airbus A321
Airbus A321
Landed - On-time
Tuesday
12 August
19:36
Istanbul (IST)
20:05
Dubrovnik (DBV)
01h 29min
Airbus A321
Airbus A321
Landed - Delayed