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

SQ391 Singapore Airlines - Flight Status

Codeshare Flights
The flight TK9300 from Turkish Airlines (TK) is a codeshare flight operated by Singapore Airlines (SQ) under the flight number SQ391. Check this page for details about flight SQ391.

Below, you can find details about Singapore Airlines flight SQ391, which currently operates between the airports of Istanbul - Istanbul Airport (Airport Code IST) and Singapore - Singapore Changi Airport (Airport Code SIN).
This flight data pertains specifically to the flight's details for Monday, December 15, 2025.

SQ391 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

SQ391 Singapore Airlines to Singapore

Scheduled - On-time
Flight Status for Monday December 15, 2025
This flight was also scheduled for Yesterday (December 14, 2025). See it here

Airline information

Singapore Airlines
Singapore Airlines
Equipment: Airbus A350-900

Departure

Istanbul (IST)
December 15, 2025
Istanbul Airport
Estimated Departure Time:
13:15
Gate:
-
Scheduled Departure Time: 13:15

Arrival

Singapore (SIN)
December 16, 2025
Singapore Changi Airport
Estimated Arrival Time:
04:45
Terminal:
-
Gate:
-
Scheduled Arrival Time: 04:45
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:

- A31227 - Aegean Airlines

- MH5793 - Malaysia Airlines

- NZ3391 - Air New Zealand

- TK9300 - Turkish Airlines

Additional Information

Which is the frequency of flight SQ391?
The flight SQ391 is scheduled to flight on Monday, Wednesday, Friday, Sunday on a weekly basis.

Which is the distance of flight SQ391?
The distance between the two airports is 8681 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: 2025-12-15 05:20:04
Current Time in Singapore: 2025-12-15 10:20:04

Alternative Flights

The following airline serve the same route between Istanbul and Singapore:
Turkish Airlines - Flight Number: TK168.

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 December 02, 2024 to March 21, 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 SQ391

Date
Departure
Arrival
Duration
Aircraft
Status
Monday
15 December
13:39
Istanbul (IST)
04:26
Singapore (SIN)
09h 47min
Airbus A350-90
Airbus A350-90
Landed - On-time
Saturday
13 December
13:15
Istanbul (IST)
04:45
Singapore (SIN)
10h 30min
Airbus A350-90
Airbus A350-90
- On-time
Thursday
11 December
13:31
Istanbul (IST)
04:25
Singapore (SIN)
09h 54min
Airbus A350-90
Airbus A350-90
Landed - On-time
Tuesday
09 December
13:31
Istanbul (IST)
04:39
Singapore (SIN)
10h 08min
Airbus A350-90
Airbus A350-90
Landed - On-time
Monday
08 December
15:13
Istanbul (IST)
06:08
Singapore (SIN)
09h 55min
Airbus A350-90
Airbus A350-90
Landed - Delayed
Saturday
06 December
13:31
Istanbul (IST)
04:26
Singapore (SIN)
09h 55min
Airbus A350-90
Airbus A350-90
Landed - On-time
Thursday
04 December
13:39
Istanbul (IST)
04:32
Singapore (SIN)
09h 53min
Airbus A350-90
Airbus A350-90
Landed - On-time
Tuesday
02 December
13:24
Istanbul (IST)
04:18
Singapore (SIN)
09h 54min
Airbus A350-90
Airbus A350-90
Landed - On-time
Monday
01 December
13:56
Istanbul (IST)
04:53
Singapore (SIN)
09h 57min
Airbus A350-90
Airbus A350-90
Landed - On-time
Saturday
29 November
13:30
Istanbul (IST)
04:17
Singapore (SIN)
09h 47min
Airbus A350-90
Airbus A350-90
Landed - On-time