Austrian flight OS 7853: London Heathrow - Chicago O'Hare

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue-Fri,Sun 07:40 London Heathrow (LHR) 2 11:00 Chicago O'Hare (ORD) 5
OS 7853 Non-stop Boeing 767-300 (763) 9:20 Effective 2025-11-26 through 2025-12-03
Codeshare flight, operated by United Airlines.(UA 958)
Mon-Thu,Sun 07:40 London Heathrow (LHR) 2 11:00 Chicago O'Hare (ORD) 5
OS 7853 Non-stop Boeing 767-300 (763) 9:20 Effective 2025-12-07 through 2025-12-11
Codeshare flight, operated by United Airlines.(UA 958)
Mon,Tue 07:40 London Heathrow (LHR) 2 11:00 Chicago O'Hare (ORD) 5
OS 7853 Non-stop Boeing 767-300 (763) 9:20 Effective 2025-12-15 through 2025-12-23
Codeshare flight, operated by United Airlines.(UA 958)
Mon-Wed,Sun 07:40 London Heathrow (LHR) 2 11:00 Chicago O'Hare (ORD) 5
OS 7853 Non-stop Boeing 767-300 (763) 9:20 Effective 2025-12-24 through 2025-12-31
Codeshare flight, operated by United Airlines.(UA 958)
Tue-Fri 07:40 London Heathrow (LHR) 2 11:00 Chicago O'Hare (ORD) 5
OS 7853 Non-stop Boeing 767-300 (763) 9:20 Effective 2026-01-01 through 2026-01-08
Codeshare flight, operated by United Airlines.(UA 958)
Mon-Thu,Sun 07:40 London Heathrow (LHR) 2 11:00 Chicago O'Hare (ORD) 5
OS 7853 Non-stop Boeing 767-300 (763) 9:20 Effective 2026-01-13 through 2026-01-22
Codeshare flight, operated by United Airlines.(UA 958)
Mon-Wed,Sun 07:40 London Heathrow (LHR) 2 11:00 Chicago O'Hare (ORD) 5
OS 7853 Non-stop Boeing 767-300 (763) 9:20 Effective 2026-01-26 through 2026-02-01
Codeshare flight, operated by United Airlines.(UA 958)
Thu-Sat 07:40 London Heathrow (LHR) 2 11:00 Chicago O'Hare (ORD) 5
OS 7853 Non-stop Boeing 767-300 (763) 9:20 Effective 2026-02-05 through 2026-02-14
Codeshare flight, operated by United Airlines.(UA 958)
Wed-Sat 07:40 London Heathrow (LHR) 2 11:00 Chicago O'Hare (ORD) 5
OS 7853 Non-stop Boeing 767-300 (763) 9:20 Effective 2026-02-18 through 2026-02-27
Codeshare flight, operated by United Airlines.(UA 958)
Mon,Tue,Sat 10:25 London Heathrow (LHR) 2 13:50 Chicago O'Hare (ORD) 5
OS 7853 Non-stop Boeing 767-300 (763) 9:25 Effective 2025-11-24 through 2025-12-01
Codeshare flight, operated by United Airlines.(UA 928)
Thu-Sat 10:25 London Heathrow (LHR) 2 13:50 Chicago O'Hare (ORD) 5
OS 7853 Non-stop Boeing 767-300 (763) 9:25 Effective 2025-12-04 through 2025-12-06
Codeshare flight, operated by United Airlines.(UA 928)
Wed-Sun 10:25 London Heathrow (LHR) 2 13:50 Chicago O'Hare (ORD) 5
OS 7853 Non-stop Boeing 767-300 (763) 9:25 Effective 2025-12-12 through 2025-12-21
Codeshare flight, operated by United Airlines.(UA 928)
Thu-Sat 10:25 London Heathrow (LHR) 2 13:50 Chicago O'Hare (ORD) 5
OS 7853 Non-stop Boeing 767-300 (763) 9:25 Effective 2025-12-25 through 2025-12-27
Codeshare flight, operated by United Airlines.(UA 928)
Mon,Fri-Sun 10:25 London Heathrow (LHR) 2 13:50 Chicago O'Hare (ORD) 5
OS 7853 Non-stop Boeing 767-300 (763) 9:25 Effective 2026-01-03 through 2026-01-17
Codeshare flight, operated by United Airlines.(UA 928)
Thu-Sun 10:25 London Heathrow (LHR) 2 13:50 Chicago O'Hare (ORD) 5
OS 7853 Non-stop Boeing 767-300 (763) 9:25 Effective 2026-01-23 through 2026-01-31
Codeshare flight, operated by United Airlines.(UA 928)
Mon-Wed,Sun 10:25 London Heathrow (LHR) 2 13:50 Chicago O'Hare (ORD) 5
OS 7853 Non-stop Boeing 767-300 (763) 9:25 Effective 2026-02-02 through 2026-02-17
Codeshare flight, operated by United Airlines.(UA 928)
Mon,Tue,Sat,Sun 10:25 London Heathrow (LHR) 2 13:50 Chicago O'Hare (ORD) 5
OS 7853 Non-stop Boeing 767-300 (763) 9:25 Effective from 2026-02-22
Codeshare flight, operated by United Airlines.(UA 928)
Daily 11:05 London Heathrow (LHR) 2 14:10 Chicago O'Hare (ORD) 5
OS 7853 Non-stop Boeing 767-300 (763) 9:05 Valid until 2025-10-25
Codeshare flight, operated by United Airlines.(UA 959)
Daily 13:35 London Heathrow (LHR) 2 18:00 Chicago O'Hare (ORD) 5
OS 7853 Non-stop Boeing 767-300 (763) 9:25 Effective 2025-10-26 through 2025-11-01
Codeshare flight, operated by United Airlines.(UA 959)
Daily 13:35 London Heathrow (LHR) 2 17:00 Chicago O'Hare (ORD) 5
OS 7853 Non-stop Boeing 767-300 (763) 9:25 Effective 2025-11-02 through 2025-11-23
Codeshare flight, operated by United Airlines.(UA 959)
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Austrian flight OS 7853:
London Heathrow - Chicago O'Hare
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Austrian OS7853
07:40
London Heathrow (LHR) 2

11:00
Chicago O'Hare (ORD) 5
Effective 2025-11-26 through 2025-12-03
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 958)
Duration: 9:20, non-stop
Boeing 767-300 (763)
Austrian OS7853
07:40
London Heathrow (LHR) 2

11:00
Chicago O'Hare (ORD) 5
Effective 2025-12-07 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 958)
Duration: 9:20, non-stop
Boeing 767-300 (763)
Austrian OS7853
07:40
London Heathrow (LHR) 2

11:00
Chicago O'Hare (ORD) 5
Effective 2025-12-15 through 2025-12-23
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 958)
Duration: 9:20, non-stop
Boeing 767-300 (763)
Austrian OS7853
07:40
London Heathrow (LHR) 2

11:00
Chicago O'Hare (ORD) 5
Effective 2025-12-24 through 2025-12-31
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 958)
Duration: 9:20, non-stop
Boeing 767-300 (763)
Austrian OS7853
07:40
London Heathrow (LHR) 2

11:00
Chicago O'Hare (ORD) 5
Effective 2026-01-01 through 2026-01-08
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 958)
Duration: 9:20, non-stop
Boeing 767-300 (763)
Austrian OS7853
07:40
London Heathrow (LHR) 2

11:00
Chicago O'Hare (ORD) 5
Effective 2026-01-13 through 2026-01-22
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 958)
Duration: 9:20, non-stop
Boeing 767-300 (763)
Austrian OS7853
07:40
London Heathrow (LHR) 2

11:00
Chicago O'Hare (ORD) 5
Effective 2026-01-26 through 2026-02-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 958)
Duration: 9:20, non-stop
Boeing 767-300 (763)
Austrian OS7853
07:40
London Heathrow (LHR) 2

11:00
Chicago O'Hare (ORD) 5
Effective 2026-02-05 through 2026-02-14
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 958)
Duration: 9:20, non-stop
Boeing 767-300 (763)
Austrian OS7853
07:40
London Heathrow (LHR) 2

11:00
Chicago O'Hare (ORD) 5
Effective 2026-02-18 through 2026-02-27
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 958)
Duration: 9:20, non-stop
Boeing 767-300 (763)
Austrian OS7853
10:25
London Heathrow (LHR) 2

13:50
Chicago O'Hare (ORD) 5
Effective 2025-11-24 through 2025-12-01
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 928)
Duration: 9:25, non-stop
Boeing 767-300 (763)
Austrian OS7853
10:25
London Heathrow (LHR) 2

13:50
Chicago O'Hare (ORD) 5
Effective 2025-12-04 through 2025-12-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 928)
Duration: 9:25, non-stop
Boeing 767-300 (763)
Austrian OS7853
10:25
London Heathrow (LHR) 2

13:50
Chicago O'Hare (ORD) 5
Effective 2025-12-12 through 2025-12-21
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 928)
Duration: 9:25, non-stop
Boeing 767-300 (763)
Austrian OS7853
10:25
London Heathrow (LHR) 2

13:50
Chicago O'Hare (ORD) 5
Effective 2025-12-25 through 2025-12-27
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 928)
Duration: 9:25, non-stop
Boeing 767-300 (763)
Austrian OS7853
10:25
London Heathrow (LHR) 2

13:50
Chicago O'Hare (ORD) 5
Effective 2026-01-03 through 2026-01-17
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 928)
Duration: 9:25, non-stop
Boeing 767-300 (763)
Austrian OS7853
10:25
London Heathrow (LHR) 2

13:50
Chicago O'Hare (ORD) 5
Effective 2026-01-23 through 2026-01-31
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 928)
Duration: 9:25, non-stop
Boeing 767-300 (763)
Austrian OS7853
10:25
London Heathrow (LHR) 2

13:50
Chicago O'Hare (ORD) 5
Effective 2026-02-02 through 2026-02-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 928)
Duration: 9:25, non-stop
Boeing 767-300 (763)
Austrian OS7853
10:25
London Heathrow (LHR) 2

13:50
Chicago O'Hare (ORD) 5
Effective from 2026-02-22
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 928)
Duration: 9:25, non-stop
Boeing 767-300 (763)
Austrian OS7853
11:05
London Heathrow (LHR) 2

14:10
Chicago O'Hare (ORD) 5
Valid until 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 959)
Duration: 9:05, non-stop
Boeing 767-300 (763)
Austrian OS7853
13:35
London Heathrow (LHR) 2

18:00
Chicago O'Hare (ORD) 5
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 959)
Duration: 9:25, non-stop
Boeing 767-300 (763)
Austrian OS7853
13:35
London Heathrow (LHR) 2

17:00
Chicago O'Hare (ORD) 5
Effective 2025-11-02 through 2025-11-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 959)
Duration: 9:25, non-stop
Boeing 767-300 (763)
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Parallax here LHR-ORD
  • OS 7853 is an international flight departing from London Heathrow airport, United Kingdom (LHR) and arriving at Chicago O'Hare airport, United States (ORD).
  • The flight distance is 3940 miles, or 6340 km.
  • The timezone of the departure airport is UTC+0 , and the timezone of the arrival airport is UTC-6 . 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 9:05 and 9:25.
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