Austrian flight OS 7703: Chicago O'Hare - Seattle-Tacoma

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Wed 15:35 Chicago O'Hare (ORD) 1 18:14 Seattle-Tacoma (SEA)
OS 7703 Non-stop Boeing 737 MAX 8 (7M8) 4:39 Operates only on 2026-01-07
Codeshare flight, operated by United Airlines.(UA 367)
Sat 15:35 Chicago O'Hare (ORD) 1 18:14 Seattle-Tacoma (SEA)
OS 7703 Non-stop Boeing 737-900 (739) 4:39 Operates only on 2026-01-10
Codeshare flight, operated by United Airlines.(UA 367)
Wed 15:35 Chicago O'Hare (ORD) 1 18:14 Seattle-Tacoma (SEA)
OS 7703 Non-stop Boeing 737 MAX 8 (7M8) 4:39 Operates only on 2026-02-11
Codeshare flight, operated by United Airlines.(UA 367)
Mon,Wed,Fri,Sat 16:05 Chicago O'Hare (ORD) 1 18:46 Seattle-Tacoma (SEA)
OS 7703 Non-stop Airbus A321neo (32Q) 4:41 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 1755)
Mon,Tue,Thu-Sun 16:15 Chicago O'Hare (ORD) 1 18:59 Seattle-Tacoma (SEA)
OS 7703 Non-stop Airbus A320 (320) 4:44 Effective 2026-05-21 through 2026-10-24
Codeshare flight, operated by United Airlines.(UA 1801)
Mon,Wed,Fri 16:20 Chicago O'Hare (ORD) 1 19:03 Seattle-Tacoma (SEA)
OS 7703 Non-stop Airbus A321neo (32Q) 4:43 Effective 2026-02-13 through 2026-03-06
Codeshare flight, operated by United Airlines.(UA 1801)
Sat 16:20 Chicago O'Hare (ORD) 1 19:03 Seattle-Tacoma (SEA)
OS 7703 Non-stop Airbus A321neo (32Q) 4:43 Operates only on 2026-03-07
Codeshare flight, operated by United Airlines.(UA 1801)
Mon,Tue,Thu-Sun 16:20 Chicago O'Hare (ORD) 1 19:00 Seattle-Tacoma (SEA)
OS 7703 Non-stop Airbus A321neo (32Q) 4:40 Effective 2026-03-29 through 2026-05-19
Codeshare flight, operated by United Airlines.(UA 1801)
Fri 19:54 Chicago O'Hare (ORD) 1 22:43 Seattle-Tacoma (SEA)
OS 7703 Non-stop Boeing 737 MAX 8 (7M8) 4:49 Operates only on 2026-01-09
Codeshare flight, operated by United Airlines.(UA 2497)
Mon,Wed,Fri,Sat 19:55 Chicago O'Hare (ORD) 1 22:29 Seattle-Tacoma (SEA)
OS 7703 Non-stop Boeing 737 MAX 8 (7M8) 4:34 Effective from 2026-10-26
Codeshare flight, operated by United Airlines.(UA 2211)
Mon,Wed,Fri,Sat 20:01 Chicago O'Hare (ORD) 1 22:45 Seattle-Tacoma (SEA)
OS 7703 Non-stop Boeing 737 MAX 9 (7M9) 4:44 Effective 2026-03-09 through 2026-03-27
Codeshare flight, operated by United Airlines.(UA 2211)


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Austrian flight OS 7703:
Chicago O'Hare - Seattle-Tacoma
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Austrian OS7703
15:35
Chicago O'Hare (ORD) 1

18:14
Seattle-Tacoma (SEA)
Operates only on 2026-01-07
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 367)
Duration: 4:39, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Austrian OS7703
15:35
Chicago O'Hare (ORD) 1

18:14
Seattle-Tacoma (SEA)
Operates only on 2026-01-10
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 367)
Duration: 4:39, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Austrian OS7703
15:35
Chicago O'Hare (ORD) 1

18:14
Seattle-Tacoma (SEA)
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 367)
Duration: 4:39, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Austrian OS7703
16:05
Chicago O'Hare (ORD) 1

18:46
Seattle-Tacoma (SEA)
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1755)
Duration: 4:41, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Austrian OS7703
16:15
Chicago O'Hare (ORD) 1

18:59
Seattle-Tacoma (SEA)
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1801)
Duration: 4:44, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Austrian OS7703
16:20
Chicago O'Hare (ORD) 1

19:03
Seattle-Tacoma (SEA)
Effective 2026-02-13 through 2026-03-06
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1801)
Duration: 4:43, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Austrian OS7703
16:20
Chicago O'Hare (ORD) 1

19:03
Seattle-Tacoma (SEA)
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1801)
Duration: 4:43, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Austrian OS7703
16:20
Chicago O'Hare (ORD) 1

19:00
Seattle-Tacoma (SEA)
Effective 2026-03-29 through 2026-05-19
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1801)
Duration: 4:40, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Austrian OS7703
19:54
Chicago O'Hare (ORD) 1

22:43
Seattle-Tacoma (SEA)
Operates only on 2026-01-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2497)
Duration: 4:49, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Austrian OS7703
19:55
Chicago O'Hare (ORD) 1

22:29
Seattle-Tacoma (SEA)
Effective from 2026-10-26
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2211)
Duration: 4:34, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Austrian OS7703
20:01
Chicago O'Hare (ORD) 1

22:45
Seattle-Tacoma (SEA)
Effective 2026-03-09 through 2026-03-27
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2211)
Duration: 4:44, non-stop
Boeing 737 MAX 9 (7M9)
  • OS 7703 is a domestic flight departing from the Chicago O'Hare airport (ORD) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 1715 miles, or 2760 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-8 . 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 4:34 and 4:49.
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