Asiana Airlines
flight
OZ 6401:
San Francisco - Seattle-Tacoma
San Francisco - Seattle-Tacoma
FLIGHT SCHEDULE
Direct Codeshare Flights:
Asiana Airlines OZ6401
Effective 2026-01-06 through 2026-01-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1008)
Duration: 2:19, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Effective 2026-02-04 through 2026-02-11
Mon
-
-
Tue
-
-
Wed
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1008)
Duration: 2:19, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Effective 2026-05-21 through 2026-08-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1498)
Duration: 2:20, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Effective 2026-10-19 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1498)
Duration: 2:20, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1008)
Duration: 2:11, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Valid until 2026-01-03
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 5328)
Duration: 2:19, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Valid until 2026-01-04
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1008)
Duration: 2:12, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Effective 2026-01-26 through 2026-02-09
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2279)
Duration: 2:18, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Operates only on 2026-01-29
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2279)
Duration: 2:17, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Effective 2026-01-30 through 2026-02-08
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2279)
Duration: 2:17, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2279)
Duration: 2:16, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Effective 2026-02-14 through 2026-02-28
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2279)
Duration: 2:16, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2279)
Duration: 2:22, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Operates only on 2026-08-10
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2279)
Duration: 1:56, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2279)
Duration: 1:56, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2279)
Duration: 2:22, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Effective 2026-08-11 through 2026-10-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2279)
Duration: 2:20, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Effective 2026-02-13 through 2026-02-27
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2279)
Duration: 2:16, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Operates only on 2026-03-07
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2279)
Duration: 2:15, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Effective 2026-03-14 through 2026-03-28
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2279)
Duration: 2:15, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Effective 2026-03-05 through 2026-03-06
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2279)
Duration: 2:15, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Effective 2026-03-08 through 2026-03-27
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2279)
Duration: 2:15, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Effective 2026-03-09 through 2026-03-23
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2279)
Duration: 2:15, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Effective 2026-03-11 through 2026-03-25
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2279)
Duration: 2:15, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Effective 2026-03-10 through 2026-03-24
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2279)
Duration: 2:18, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Asiana Airlines OZ6401
Operates only on 2026-01-27
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 5579)
Duration: 2:24, non-stop Airbus A320 (320)
The flight arrives 1 day after departure.
- OZ 6401 is a domestic flight departing from the San Francisco airport (SFO) and arriving at Seattle-Tacoma airport (SEA).
- The flight distance is 679 miles, or 1092 km.
- The timezone of both the departure and the arrival airports is UTC-8 . Current time at both airports is (loading...).
- For direct flights, the flight time varies between 1:56 and 2:24.