Austrian flight OS 7733: Chicago O'Hare - Denver

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Tue,Thu-Sun 14:53 Chicago O'Hare (ORD) 1 16:35 Denver (DEN)
OS 7733 Non-stop Boeing 777 (777) 2:42 Effective 2025-08-19 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 2048)
Mon,Tue,Thu-Sun 15:45 Chicago O'Hare (ORD) 1 17:39 Denver (DEN)
OS 7733 Non-stop Boeing 777 (777) 2:54 Valid until 2025-05-20
Codeshare flight, operated by United Airlines.(UA 1801)
Mon,Wed,Fri 15:55 Chicago O'Hare (ORD) 1 17:35 Denver (DEN)
OS 7733 Non-stop Boeing 757-300 (753) 2:40 Effective 2025-11-03 through 2025-12-05
Codeshare flight, operated by United Airlines.(UA 1801)
Mon,Wed,Fri-Sun 15:55 Chicago O'Hare (ORD) 1 17:35 Denver (DEN)
OS 7733 Non-stop Boeing 757-300 (753) 2:40 Effective 2025-12-06 through 2026-01-02
Codeshare flight, operated by United Airlines.(UA 1801)
Mon,Wed,Fri,Sun 15:55 Chicago O'Hare (ORD) 1 17:35 Denver (DEN)
OS 7733 Non-stop Boeing 757-300 (753) 2:40 Effective 2026-01-05 through 2026-01-16
Codeshare flight, operated by United Airlines.(UA 1801)
Mon,Wed,Fri,Sun 15:55 Chicago O'Hare (ORD) 1 17:35 Denver (DEN)
OS 7733 Non-stop Boeing 757-300 (753) 2:40 Effective 2026-01-19 through 2026-01-30
Codeshare flight, operated by United Airlines.(UA 1801)
Mon,Wed,Fri,Sun 15:55 Chicago O'Hare (ORD) 1 17:35 Denver (DEN)
OS 7733 Non-stop Boeing 757-300 (753) 2:40 Effective 2026-02-02 through 2026-02-13
Codeshare flight, operated by United Airlines.(UA 1801)
Mon,Wed,Fri,Sun 15:55 Chicago O'Hare (ORD) 1 17:35 Denver (DEN)
OS 7733 Non-stop Boeing 757-300 (753) 2:40 Effective from 2026-02-16
Codeshare flight, operated by United Airlines.(UA 1801)
Mon,Tue,Thu-Sun 16:20 Chicago O'Hare (ORD) 1 18:12 Denver (DEN)
OS 7733 Non-stop Boeing 757-300 (753) 2:52 Effective 2025-05-22 through 2025-06-28
Codeshare flight, operated by United Airlines.(UA 1801)
Sun 16:20 Chicago O'Hare (ORD) 1 18:14 Denver (DEN)
OS 7733 Non-stop Boeing 737-900 (739) 2:54 Operates only on 2025-06-29
Codeshare flight, operated by United Airlines.(UA 1801)
Mon,Tue,Thu-Sun 16:20 Chicago O'Hare (ORD) 1 18:12 Denver (DEN)
OS 7733 Non-stop Boeing 757-300 (753) 2:52 Effective 2025-06-30 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 1801)
Mon,Wed,Fri 17:52 Chicago O'Hare (ORD) 1 19:31 Denver (DEN)
OS 7733 Non-stop Boeing 737-900 (739) 2:39 Effective 2025-10-27 through 2025-10-31
Codeshare flight, operated by United Airlines.(UA 2394)
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Austrian flight OS 7733:
Chicago O'Hare - Denver
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Austrian OS7733
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2048)
Duration: 2:42, non-stop
Boeing 777 (777)

Austrian OS7733
Valid until 2025-05-20
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1801)
Duration: 2:54, non-stop
Boeing 777 (777)

Austrian OS7733
Effective 2025-11-03 through 2025-12-05
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1801)
Duration: 2:40, non-stop
Boeing 757-300 (753)

Austrian OS7733
Effective 2025-12-06 through 2026-01-02
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1801)
Duration: 2:40, non-stop
Boeing 757-300 (753)

Austrian OS7733
Effective 2026-01-05 through 2026-01-16
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1801)
Duration: 2:40, non-stop
Boeing 757-300 (753)

Austrian OS7733
Effective 2026-01-19 through 2026-01-30
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1801)
Duration: 2:40, non-stop
Boeing 757-300 (753)

Austrian OS7733
Effective 2026-02-02 through 2026-02-13
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1801)
Duration: 2:40, non-stop
Boeing 757-300 (753)

Austrian OS7733
Effective from 2026-02-16
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1801)
Duration: 2:40, non-stop
Boeing 757-300 (753)

Austrian OS7733
Effective 2025-05-22 through 2025-06-28
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1801)
Duration: 2:52, non-stop
Boeing 757-300 (753)

Austrian OS7733
Operates only on 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1801)
Duration: 2:54, non-stop
Boeing 737-900 (739)

Austrian OS7733
Effective 2025-06-30 through 2025-08-18
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1801)
Duration: 2:52, non-stop
Boeing 757-300 (753)

Austrian OS7733
Effective 2025-10-27 through 2025-10-31
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2394)
Duration: 2:39, non-stop
Boeing 737-900 (739)
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  • OS 7733 is a domestic flight departing from the Chicago O'Hare airport (ORD) and arriving at Denver airport (DEN).
  • The flight distance is 885 miles, or 1425 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-7 . 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 2:39 and 2:54.