Korean Air
flight
KE 6731:
San Francisco - Boston Logan
San Francisco - Boston Logan
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Korean Air KE6731
Effective 2026-01-05 through 2026-01-16
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 977)
Duration: 5:37, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Korean Air KE6731
Effective 2026-01-19 through 2026-02-06
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 977)
Duration: 5:37, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Korean Air KE6731
Effective 2026-02-09 through 2026-02-11
Mon
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by Delta Air Lines.
(DL 977)
Duration: 5:37, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Korean Air KE6731
Effective 2026-02-12 through 2026-02-20
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by Delta Air Lines.
(DL 977)
Duration: 5:35, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Korean Air KE6731
Effective 2026-02-22 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 977)
Duration: 5:35, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Korean Air KE6731
Effective 2026-03-08 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 977)
Duration: 5:39, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Korean Air KE6731
Effective 2026-04-13 through 2026-06-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 977)
Duration: 5:51, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Korean Air KE6731
Valid until 2026-01-02
Mon
Tue
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 977)
Duration: 5:40, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Korean Air KE6731
Effective 2026-06-07 through 2026-08-14
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 860)
Duration: 5:51, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Korean Air KE6731
Effective 2026-08-15 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 860)
Duration: 5:51, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Korean Air KE6731
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 860)
Duration: 5:43, non-stop Airbus A321neo (32Q)
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Parallax here SFO-BOS
- KE 6731 is a domestic flight departing from the San Francisco airport (SFO) and arriving at Boston Logan airport (BOS).
- The flight distance is 2695 miles, or 4338 km.
- The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . 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 5:35 and 5:51.