OS7851 Flight Status Austrian Airlines: London to Chicago (AUA7851)

LHR London

Scheduled
13:35
Actual
14:00

Terminal: 2 | Gate: B33

Departure: Fri, Nov 13, 2026 · local time GMT

London Heathrow Airport (LHR)

All LHR Departures >

ORD Chicago

Scheduled
16:55
Actual
15:52

Terminal: 5 | Gate: INTL

Arrival: Fri, Nov 13, 2026 · local time CST

Chicago O'Hare International Airport (ORD)

All ORD Arrivals >

Distance: 6343 km / 3941 miles · Scheduled Duration: 09:20 · Actual Duration: 07:52

Flight issues? Claim up to £520 >

OS 7851 Flight Status & Schedule Austrian Airlines London to Chicago

Date From To Departure Arrival Status Details
Nov 13 LHR ORD 14:00 15:52 Landed Track >
Nov 12 LHR ORD 14:03 15:53 Landed Track >
Nov 11 LHR ORD 14:04 15:57 Landed Track >
Nov 10 LHR ORD 14:42 16:34 Landed Track >
Nov 08 LHR ORD 14:00 16:13 Landed Track >
Nov 07 LHR ORD 13:59 16:01 Landed Track >
Nov 06 LHR ORD 14:26 16:33 Landed Track >
Nov 05 LHR ORD 13:52 16:04 Landed Track >
Nov 04 LHR ORD 14:03 16:10 Landed Track >
Nov 03 LHR ORD 13:45 15:57 Landed Track >

Austrian Airlines flight OS 7851 links London and Chicago, 6,343 km (3,941 mi) apart, and flies five times a week: Tuesday, Wednesday, Thursday, Friday and Sunday. The timetable allows 9 h 20 min, but the flight usually takes about 8 h 5 min, so it often makes up time. Yesterday it left 25 minutes late and still landed at 15:52, 1 h 3 min early.

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About OS 7851

Austrian Airlines Flight OS7851 connects London, United Kingdom to Chicago, United States, taking off from London Heathrow Airport LHR and landing at Chicago O'Hare International Airport ORD.

Route
London Heathrow Airport LHR to Chicago O'Hare International Airport ORD
Distance
6,343 km (3,941 mi)
Typical flight time
8 h 5 min
Flies
Tue, Wed, Thu, Fri, Sun
On time
10 of the last 10
Usually departs from
Terminal 2

Departing the UK, this flight is covered by UK261. Yesterday's flight landed 1 h 3 min early, so no delay compensation applies; it starts at 3 hours late on arrival.

OS 7851 FAQ

How long is the OS7851 flight from London to Chicago?
The timetable allows 9 h 20 min. London to Chicago is 6,343 km (3,941 mi).
How often is OS7851 from London to Chicago late?
None of the last 10 flights arrived 15 or more minutes late.
When was the latest OS7851 flight from London to Chicago?
The latest OS7851 was the 13:35 (local time) departure from London on 13 November 2026; it landed 1 h 3 min early.
Which days does OS7851 fly from London to Chicago?
Five times a week: Tuesday, Wednesday, Thursday, Friday and Sunday, based on the schedule of the last 7 days.
Which terminal does OS7851 use?
It usually leaves from Terminal 2 at London Heathrow Airport (LHR) and arrives at Terminal 5 at Chicago O'Hare International Airport (ORD). Check the flight card above for today's terminal and gate.
What other flight numbers does OS7851 have?
Also listed as AUA7851 (Austrian Airlines' ICAO code) and OS 7851.
Can I get compensation if OS7851 is delayed or cancelled?
Up to £520 per passenger may be due under UK261 when it arrives 3 or more hours late or is cancelled, unless the cause was outside the airline's control. Departing the UK, this flight is covered by UK261.

OS7851 and London LHR to Chicago ORD Flights

Flight OS7851 is a code-share Austrian Airlines flight of the United Airlines operated UA928.

Other flights departing from London LHR: BA267, UA928

Other flights arriving at Chicago ORD: PR132, UA928, YX3572, UA3572

All flights connecting London LHR to Chicago ORD.