Informational Guide to Rome Fiumicino Airport (FCO) - Non Official

AZ521 ITA Airways - Flight Status

Below, you can find details about ITA Airways flight AZ521, which currently operates between the airports of Sofia - Sofia Airport (Airport Code SOF) and Rome - Rome Leonardo da Vinci Fiumicino Airport (Airport Code FCO).
This flight data pertains specifically to the flight's details for Friday, October 24, 2025.

AZ521 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

AZ521 ITA Airways from Sofia

This flight is not scheduled for January 20, 2026.

Airline information

ITA Airways
ITA Airways

Departure

Sofia (SOF)
October 24, 2025
Sofia Airport

Arrival

Rome (FCO)
October 24, 2025
Rome Leonardo da Vinci Fiumicino 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.roma-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:

- EK4242 - Emirates

- ET4057 - Ethiopian Airlines

- EY2941 - Etihad Airways

- FB1771 - Bulgaria Air

- KL3452 - KLM Royal Dutch Airlines

- SV6321 - Saudia

Additional Information

Which is the frequency of flight AZ521?
The flight AZ521 is currently not scheduled at Rome Airport (FCO).

Which is the distance of flight AZ521?
The distance between the two airports is 924 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 Sofia: 2026-01-20 03:22:57
Current Time in Rome: 2026-01-20 02:22:57

Alternative Flights

The following airlines serves the same route between Sofia and Rome:

Bulgaria Air
- Flight Number: FB449. (On Time performance: 94 - Average Delay: 2 minutes)

Wizz Air
- Flight Number: W64315. (On Time performance: 69 - Average Delay: 27 minutes)

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 July 18, 2025 to October 24, 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 February 09, 2025 to October 24, 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 AZ521

No flights for AZ521 were scheduled in the past month. The last flight took place on Friday, October 24, 2025