| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 25 | ORD | VIE | 16:57 | 07:07 |
Landed
|
Track > |
| Oct 24 | ORD | VIE | 16:47 | 07:58 |
Landed
|
Track > |
| Oct 23 | ORD | VIE | 16:56 | 08:17 |
Landed
|
Track > |
| Oct 21 | ORD | VIE | 16:52 | 08:13 |
Landed
|
Track > |
| Oct 20 | ORD | VIE | 16:43 | 08:13 |
Landed
|
Track > |
| Oct 19 | ORD | VIE | 16:54 | 08:13 |
Landed
|
Track > |
| Oct 18 | ORD | VIE | 17:08 | 08:12 |
Landed
|
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| Oct 17 | ORD | VIE | 17:05 | 08:37 |
Landed Late
|
Track > |
| Oct 16 | ORD | VIE | 18:13 | 09:42 |
Delayed
|
Track > |
| Oct 14 | ORD | VIE | 16:47 | 08:14 |
Landed
|
Track > |
Austrian Airlines Flight OS66 connects Chicago, United States to Vienna, Austria, taking off from Chicago O'Hare International Airport ORD and landing at Vienna International Airport VIE.
How long is the OS66 flight from Chicago to Vienna?
The average flight time from Chicago to Vienna is 8 hours and 20 minutes. The flight distance is 7566 km / 4701 miles and the average flight speed is 908 km/h / 564 mph.
What is the On-Time Performance (OTP) of Austrian Airlines Flight OS66 Chicago to Vienna?
The Airportia On-Time Performance Rating for Austrian Airlines Flight OS66 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight OS66 arriving at?
Flight OS66 arrives at Vienna International Airport (VIE) Terminal 3.
When was the latest OS66 flight?
The latest flight took off on Sunday, October 26th, 2025 with the flight status being Landed on 07:07.
How else can the flight OS66 be referenced as?
This Austrian Airlines flight can also be referenced as AUA66, AUA066, OS066, OS0066, OS 66, AUA 66.
How often is flight OS66 delayed?
On average, 20% of all OS66 flights are delayed. The average delay is 49 minutes.
Can I get compensation for my delayed or cancelled OS66 flight or baggage issues?
If your OS66 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 OS66 Flight Tracker above for more details.
Flight OS66 is code-shared by 1 airline using the flight number UA9850
Other flights departing from Chicago ORD: UA592, UA1616, AA6422, UA2475
Other flights arriving at Vienna VIE: OS94, OS74, XC1703, FR7741
All flights connecting Chicago ORD to Vienna VIE.
