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

A3999 Aegean Airlines - Flight Status

Below, you can find details about Aegean Airlines flight A3999, which currently operates between the airports of Istanbul - Istanbul Airport (Airport Code IST) and Athens - Athens Eleftherios Venizelos International Airport (Airport Code ATH).
This flight data pertains specifically to the flight's details for Friday, September 19, 2025.

A3999 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

A3999 Aegean Airlines to Athens

This flight is not scheduled for September 19, 2025.

Airline information

Aegean Airlines
Aegean Airlines

Departure

Istanbul (IST)
September 15, 2025
Istanbul Airport

Arrival

Athens (ATH)
September 15, 2025
Athens Eleftherios Venizelos International Airport
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:

- TK8807 - Turkish Airlines

Additional Information

Which is the frequency of flight A3999?
The flight A3999 is scheduled to flight on Monday, Thursday, Friday, Saturday, Sunday on a weekly basis.

Which is the distance of flight A3999?
The distance between the two airports is 553 kilometers.

Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.

Alternative Flights

The following airlines serves the same route between Istanbul and Athens:

Sichuan Airlines
- Flight Number: 3U3827.

Aegean Airlines
- Flight Number: A3991.
- Flight Number: A3993.
- Flight Number: A3995.

Sky Express
- Flight Number: GQ671.

Turkish Airlines
- Flight Number: TK1841.
- Flight Number: TK1843.
- Flight Number: TK1845.
- Flight Number: TK1849.

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.

Last Past Flights A3999

Date
Departure
Arrival
Duration
Aircraft
Status
Monday
15 September
04:35
Istanbul (IST)
05:32
Athens (ATH)
00h 57min
Airbus A320
Airbus A320
Landed - On-time
Sunday
14 September
04:35
Istanbul (IST)
05:45
Athens (ATH)
01h 10min
Airbus A320 (s
Airbus A320 (s
Landed - On-time
Saturday
13 September
04:35
Istanbul (IST)
05:50
Athens (ATH)
01h 15min
Airbus A320
Airbus A320
Landed - On-time
Friday
12 September
04:35
Istanbul (IST)
05:45
Athens (ATH)
01h 10min
Airbus A320
Airbus A320
Landed - On-time
Thursday
11 September
04:35
Istanbul (IST)
05:36
Athens (ATH)
01h 01min
Airbus A320
Airbus A320
Landed - On-time
Sunday
07 September
04:35
Istanbul (IST)
05:46
Athens (ATH)
01h 11min
Airbus A320
Airbus A320
Landed - On-time
Saturday
06 September
04:35
Istanbul (IST)
05:51
Athens (ATH)
01h 16min
Airbus A320
Airbus A320
Landed - On-time
Friday
05 September
04:35
Istanbul (IST)
05:51
Athens (ATH)
01h 16min
Airbus A320
Airbus A320
Landed - On-time
Thursday
04 September
04:35
Istanbul (IST)
05:41
Athens (ATH)
01h 06min
Airbus A320
Airbus A320
Landed - On-time
Monday
01 September
04:29
Istanbul (IST)
05:32
Athens (ATH)
01h 03min
Airbus A320
Airbus A320
Landed - On-time