United Airlines flight UA 9850: Chicago O'Hare - Vienna

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Fri 16:20 Chicago O'Hare (ORD) 5 08:05 Vienna (VIE) 3
UA 9850 Non-stop Boeing 787-9 (789) 8:45 Valid until 2026-01-09
Codeshare flight, operated by Austrian.(OS 46)
The flight arrives 1 day after departure.
Wed,Sat 16:20 Chicago O'Hare (ORD) 5 08:05 Vienna (VIE) 3
UA 9850 Non-stop Boeing 777-200 (772) 8:45 Valid until 2026-01-10
Codeshare flight, operated by Austrian.(OS 46)
The flight arrives 1 day after departure.
Mon,Wed,Fri 16:20 Chicago O'Hare (ORD) 5 08:05 Vienna (VIE) 3
UA 9850 Non-stop Boeing 787-9 (789) 8:45 Effective 2026-02-11 through 2026-03-06
Codeshare flight, operated by Austrian.(OS 46)
The flight arrives 1 day after departure.
Sat 16:20 Chicago O'Hare (ORD) 5 08:05 Vienna (VIE) 3
UA 9850 Non-stop Boeing 787-9 (789) 8:45 Operates only on 2026-03-07
Codeshare flight, operated by Austrian.(OS 46)
The flight arrives 1 day after departure.
Mon,Tue,Thu-Sun 16:20 Chicago O'Hare (ORD) 5 08:15 Vienna (VIE) 3
UA 9850 Non-stop Boeing 787-9 (789) 8:55 Effective 2026-03-29 through 2026-10-23
Codeshare flight, operated by Austrian.(OS 46)
The flight arrives 1 day after departure.
Sat 16:20 Chicago O'Hare (ORD) 5 07:15 Vienna (VIE) 3
UA 9850 Non-stop Boeing 787-9 (789) 8:55 Operates only on 2026-10-24
Codeshare flight, operated by Austrian.(OS 46)
The flight arrives 1 day after departure.
Mon,Wed,Fri,Sat 17:20 Chicago O'Hare (ORD) 5 08:05 Vienna (VIE) 3
UA 9850 Non-stop Boeing 787-9 (789) 8:45 Effective 2026-03-09 through 2026-03-27
Codeshare flight, operated by Austrian.(OS 46)
The flight arrives 1 day after departure.
Mon,Fri 17:20 Chicago O'Hare (ORD) 5 08:05 Vienna (VIE) 3
UA 9850 Non-stop Boeing 787-9 (789) 8:45 Effective from 2026-10-26
Codeshare flight, operated by Austrian.(OS 46)
The flight arrives 1 day after departure.
Wed,Sat 17:20 Chicago O'Hare (ORD) 5 08:05 Vienna (VIE) 3
UA 9850 Non-stop Boeing 777-200 (772) 8:45 Effective from 2026-10-28
Codeshare flight, operated by Austrian.(OS 46)
The flight arrives 1 day after departure.


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United Airlines flight UA 9850:
Chicago O'Hare - Vienna
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
United Airlines UA9850
16:20
Chicago O'Hare (ORD) 5

08:05(+1)
Vienna (VIE) 3
Valid until 2026-01-09
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Austrian. (OS 46)
Duration: 8:45, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
United Airlines UA9850
16:20
Chicago O'Hare (ORD) 5

08:05(+1)
Vienna (VIE) 3
Valid until 2026-01-10
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Austrian. (OS 46)
Duration: 8:45, non-stop
Boeing 777-200 (772)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
United Airlines UA9850
16:20
Chicago O'Hare (ORD) 5

08:05(+1)
Vienna (VIE) 3
Effective 2026-02-11 through 2026-03-06
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Austrian. (OS 46)
Duration: 8:45, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
United Airlines UA9850
16:20
Chicago O'Hare (ORD) 5

08:05(+1)
Vienna (VIE) 3
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Austrian. (OS 46)
Duration: 8:45, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
United Airlines UA9850
16:20
Chicago O'Hare (ORD) 5

08:15(+1)
Vienna (VIE) 3
Effective 2026-03-29 through 2026-10-23
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Austrian. (OS 46)
Duration: 8:55, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
United Airlines UA9850
16:20
Chicago O'Hare (ORD) 5

07:15(+1)
Vienna (VIE) 3
Operates only on 2026-10-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Austrian. (OS 46)
Duration: 8:55, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
United Airlines UA9850
17:20
Chicago O'Hare (ORD) 5

08:05(+1)
Vienna (VIE) 3
Effective 2026-03-09 through 2026-03-27
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by Austrian. (OS 46)
Duration: 8:45, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
United Airlines UA9850
17:20
Chicago O'Hare (ORD) 5

08:05(+1)
Vienna (VIE) 3
Effective from 2026-10-26
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Austrian. (OS 46)
Duration: 8:45, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
United Airlines UA9850
17:20
Chicago O'Hare (ORD) 5

08:05(+1)
Vienna (VIE) 3
Effective from 2026-10-28
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Austrian. (OS 46)
Duration: 8:45, non-stop
Boeing 777-200 (772)
The flight arrives 1 day after departure.
  • UA 9850 is an international flight departing from Chicago O'Hare airport, United States (ORD) and arriving at Vienna airport, Austria (VIE).
  • The flight distance is 4698 miles, or 7561 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC+1 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 8:45 and 8:55.
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