Austrian flight OS 7704: Seattle-Tacoma - Chicago O'Hare

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Wed,Fri,Sat 07:00 Seattle-Tacoma (SEA) 13:08 Chicago O'Hare (ORD) 1
OS 7704 Non-stop Airbus A321neo (32Q) 4:08 Valid until 2026-01-10
Codeshare flight, operated by United Airlines.(UA 2618)
Wed 07:00 Seattle-Tacoma (SEA) 13:08 Chicago O'Hare (ORD) 1
OS 7704 Non-stop Airbus A321neo (32Q) 4:08 Operates only on 2026-02-11
Codeshare flight, operated by United Airlines.(UA 2618)
Mon,Wed,Fri 07:00 Seattle-Tacoma (SEA) 13:06 Chicago O'Hare (ORD) 1
OS 7704 Non-stop Airbus A321neo (32Q) 4:06 Effective 2026-02-13 through 2026-03-06
Codeshare flight, operated by United Airlines.(UA 2451)
Mon,Wed,Fri,Sat 07:00 Seattle-Tacoma (SEA) 13:06 Chicago O'Hare (ORD) 1
OS 7704 Non-stop Airbus A321neo (32Q) 4:06 Effective 2026-03-07 through 2026-03-27
Codeshare flight, operated by United Airlines.(UA 2451)
Mon,Tue,Thu-Sun 07:00 Seattle-Tacoma (SEA) 13:12 Chicago O'Hare (ORD) 1
OS 7704 Non-stop Airbus A321neo (32Q) 4:12 Effective 2026-03-29 through 2026-05-19
Codeshare flight, operated by United Airlines.(UA 2284)
Mon,Tue,Thu-Sun 07:00 Seattle-Tacoma (SEA) 13:00 Chicago O'Hare (ORD) 1
OS 7704 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2026-05-21 through 2026-10-24
Codeshare flight, operated by United Airlines.(UA 2284)
Mon,Wed,Fri,Sat 07:00 Seattle-Tacoma (SEA) 13:00 Chicago O'Hare (ORD) 1
OS 7704 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective from 2026-10-26
Codeshare flight, operated by United Airlines.(UA 2284)


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Austrian flight OS 7704:
Seattle-Tacoma - Chicago O'Hare
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Austrian OS7704
07:00
Seattle-Tacoma (SEA)

13:08
Chicago O'Hare (ORD) 1
Valid until 2026-01-10
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2618)
Duration: 4:08, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Austrian OS7704
07:00
Seattle-Tacoma (SEA)

13:08
Chicago O'Hare (ORD) 1
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2618)
Duration: 4:08, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Austrian OS7704
07:00
Seattle-Tacoma (SEA)

13:06
Chicago O'Hare (ORD) 1
Effective 2026-02-13 through 2026-03-06
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2451)
Duration: 4:06, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Austrian OS7704
07:00
Seattle-Tacoma (SEA)

13:06
Chicago O'Hare (ORD) 1
Effective 2026-03-07 through 2026-03-27
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2451)
Duration: 4:06, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Austrian OS7704
07:00
Seattle-Tacoma (SEA)

13:12
Chicago O'Hare (ORD) 1
Effective 2026-03-29 through 2026-05-19
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2284)
Duration: 4:12, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Austrian OS7704
07:00
Seattle-Tacoma (SEA)

13:00
Chicago O'Hare (ORD) 1
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2284)
Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Austrian OS7704
07:00
Seattle-Tacoma (SEA)

13:00
Chicago O'Hare (ORD) 1
Effective from 2026-10-26
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2284)
Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
  • OS 7704 is a domestic flight departing from the Seattle-Tacoma airport (SEA) and arriving at Chicago O'Hare airport (ORD).
  • The flight distance is 1715 miles, or 2760 km.
  • The timezone of the departure airport is UTC-8 , 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 4:00 and 4:12.
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