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

TK1031 Turkish Airlines - Flight Status

Codeshare Flights
The flight 6E4119 from IndiGo (6E) is a codeshare flight operated by Turkish Airlines (TK) under the flight number TK1031. Check this page for details about flight TK1031.

Below, you can find details about Turkish Airlines flight TK1031, which currently operates between the airports of Istanbul - Istanbul Airport (Airport Code IST) and Sofia - Sofia Airport (Airport Code SOF).
This flight data pertains specifically to the flight's details for Thursday, January 29, 2026.

TK1031 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

TK1031 Turkish Airlines to Sofia

Scheduled - On-time
Flight Status for Thursday January 29, 2026

Airline information

Turkish Airlines
Turkish Airlines
Equipment: Boeing 737-800 Passenger

Departure

Istanbul (IST)
January 29, 2026
Istanbul Airport
Estimated Departure Time:
14:50
Gate:
B8B
Scheduled Departure Time: 14:50

Arrival

Sofia (SOF)
January 29, 2026
Sofia Airport
Estimated Arrival Time:
15:10
Terminal:
2
Gate:
-
Scheduled Arrival Time: 15:10
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:

- 6E4119 - IndiGo

- RJ3730 - Royal Jordanian

Additional Information

Which is the frequency of flight TK1031?
The flight TK1031 is scheduled to flight on daily basis.

Which is the distance of flight TK1031?
The distance between the two airports is 468 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: 2026-01-29 15:17:42
Current Time in Sofia: 2026-01-29 14:17:42

Alternative Flights

The following airline serve the same route between Istanbul and Sofia:
Turkish Airlines - Flight Number: TK1027.

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 January 02, 2025 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.

Last Past Flights TK1031

Date
Departure
Arrival
Duration
Aircraft
Status
Wednesday
28 January
15:00
Istanbul (IST)
15:28
Sofia (SOF)
01h 28min
Boeing 737-900
Boeing 737-900
Landed - Delayed
Tuesday
27 January
15:33
Istanbul (IST)
15:31
Sofia (SOF)
00h 58min
Boeing 737-900
Boeing 737-900
Landed - Delayed
Monday
26 January
15:05
Istanbul (IST)
15:09
Sofia (SOF)
01h 04min
Boeing 737-900
Boeing 737-900
Landed - On-time
Sunday
25 January
15:34
Istanbul (IST)
15:44
Sofia (SOF)
01h 10min
Boeing 737-900
Boeing 737-900
Landed - Delayed
Saturday
24 January
15:39
Istanbul (IST)
15:32
Sofia (SOF)
00h 53min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Friday
23 January
15:05
Istanbul (IST)
15:01
Sofia (SOF)
00h 56min
Boeing 737-800
Boeing 737-800
Landed - On-time
Thursday
22 January
15:28
Istanbul (IST)
15:34
Sofia (SOF)
01h 06min
Airbus A321
Airbus A321
Landed - Delayed
Wednesday
21 January
15:04
Istanbul (IST)
15:03
Sofia (SOF)
00h 59min
Boeing 737-800
Boeing 737-800
Landed - On-time
Tuesday
20 January
16:05
Istanbul (IST)
16:02
Sofia (SOF)
00h 57min
Boeing 737-900
Boeing 737-900
Landed - Delayed
Monday
19 January
15:33
Istanbul (IST)
15:30
Sofia (SOF)
00h 57min
Boeing 737-800
Boeing 737-800
Landed - Delayed