Question 1

Where does SN 1231 land?

Accepted Answer

SN 1231 operated by Brussels Airlines arrives at Washington Dulles International Airport (IAD) in Dulles. The scheduled arrival time is 14:00, Terminal 5.

Question 2

Is SN 1231 usually on time?

Accepted Answer

On-time performance for SN 1231 varies with season, weather, and air traffic. TrackMyWings will track live and historical on-time rates for this flight at launch — allow buffer time for tight connections until you can check recent data.

Question 3

Which terminal does SN 1231 depart from?

Accepted Answer

SN 1231 departs from Brussels Airport (BRU), Terminal 3. The scheduled departure time is 08:00. Always confirm terminal information with Brussels Airlines closer to your travel date as it can change.

Question 4

What aircraft does SN 1231 use?

Accepted Answer

SN 1231 is operated on a Boeing 787-9 Dreamliner with 296 seats across 3 cabin classes. Aircraft assignments can change — check with Brussels Airlines for the latest configuration.

Question 5

How long is the SN 1231 flight?

Accepted Answer

The scheduled flight duration for SN 1231 from Zaventem (BRU) to Dulles (IAD) is 7h 49m. Actual flight time may vary depending on air traffic, weather, and routing.

SN 1231

Route Map

Aircraft Information

Frequently Asked Questions

Track SN 1231 live in the app

More Brussels Airlines Flights