OS 646 Prague to Vienna Flight Status

Austrian Airlines Flight OS646 from Prague Vaclav Havel Airport PRG to Vienna International Airport VIE is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on May 29th, 2026.
Check the table below for OS646's most recent flight history:

OS 646 Flight Status & Schedule

Date Departure Arrival Status
May 29 16:52 17:34
Landed
Track >
May 16 17:09 17:53
Landed
Track >
May 15 17:05 17:41
Landed
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May 14 17:13 17:54
Landed
Track >
May 07 16:49 17:43
Unknown
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Austrian Airlines OS 646 Prague to Vienna Flight Information

Austrian Airlines Flight OS646 connects Prague, Czech Republic to Vienna, Austria, taking off from Prague Vaclav Havel Airport PRG and landing at Vienna International Airport VIE.

How long is the OS646 flight from Prague to Vienna?

The average flight time from Prague to Vienna is 43 minutes. The flight distance is 278 km / 173 miles and the average flight speed is 388 km/h / 241 mph.

How many OS646 flights are operated per week?

1 flight per week. The flight OS646 is operated on Friday.

What is the On-Time Performance (OTP) of Austrian Airlines Flight OS646 Prague to Vienna?

The Airportia On-Time Performance Rating for Austrian Airlines Flight OS646 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight OS646 arriving at?

Flight OS646 arrives at Vienna International Airport (VIE) Terminal 3.

When was the latest OS646 flight?

The latest flight took off on Friday, May 29th, 2026 with the flight status being Landed on 17:34.

How else can the flight OS646 be referenced as?

This Austrian Airlines flight can also be referenced as AUA646, OS0646, OS 646, AUA 646.

How often is flight OS646 delayed?

On average, 50% of all OS646 flights are delayed. The average delay is 6 minutes.

Can I get compensation for my delayed or cancelled OS646 flight or baggage issues?

If your OS646 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 OS646 Flight Tracker above for more details.

OS646 and Prague PRG to Vienna VIE Flights

Other flights departing from Prague PRG: BT646, LS888, U24274, U22374

Other flights arriving at Vienna VIE: VF535, OS364, OS426, BT646

All flights connecting Prague PRG to Vienna VIE.

OS646 Austrian Airlines Flight: Prague to Vienna 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.