QS 4321 Vitoria to Belfast Flight Status

Smartwings Flight QS4321 from Vitoria Airport VIT to Belfast International Airport BFS is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on May 23rd, 2026.
Check the table below for QS4321's most recent flight history:

QS 4321 Flight Status & Schedule

Date Departure Arrival Status
May 23 01:55 03:25
Scheduled
Track >

Smartwings QS 4321 Vitoria to Belfast Flight Information

Smartwings Flight QS4321 connects Vitoria, Spain to Belfast, United Kingdom, taking off from Vitoria Airport VIT and landing at Belfast International Airport BFS.

What is the On-Time Performance (OTP) of Smartwings Flight QS4321 Vitoria to Belfast?

The Airportia On-Time Performance Rating for Smartwings Flight QS4321 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest QS4321 flight?

The latest flight took off on Saturday, May 23rd, 2026 with the flight status being Scheduled on 03:25.

How else can the flight QS4321 be referenced as?

This Smartwings flight can also be referenced as TVS4321, QS 4321, TVS 4321.

How often is flight QS4321 delayed?

On average, 0% of all QS4321 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled QS4321 flight or baggage issues?

If your QS4321 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our QS4321 Flight Tracker above for more details.

QS4321 and Vitoria VIT to Belfast BFS Flights

Other flights departing from Vitoria VIT: 5H4346, EW4321, AP1352, IB8013

Other flights arriving at Belfast BFS: LS328, EW4321, U2421, 5H751

All flights connecting Vitoria VIT to Belfast BFS.

QS4321 Smartwings Flight: Vitoria to Belfast Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.