Korean Air flight KE 3999: Salt Lake City - Boston Logan

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 17:15 Salt Lake City (SLC) 23:58 Boston Logan (BOS) A
KE 3999 Non-stop Airbus A321neo (32Q) 4:43 Effective 2025-07-07 through 2025-09-07
Codeshare flight, operated by Delta Air Lines.(DL 702)
Daily 17:15 Salt Lake City (SLC) 23:53 Boston Logan (BOS) A
KE 3999 Non-stop Airbus A321neo (32Q) 4:38 Effective 2025-09-08 through 2025-10-25
Codeshare flight, operated by Delta Air Lines.(DL 702)
Tue,Fri,Sun 17:15 Salt Lake City (SLC) 23:53 Boston Logan (BOS) A
KE 3999 Non-stop Airbus A321neo (32Q) 4:38 Effective 2025-11-02 through 2025-12-19
Codeshare flight, operated by Delta Air Lines.(DL 702)
Tue,Fri,Sun 17:15 Salt Lake City (SLC) 23:54 Boston Logan (BOS) A
KE 3999 Non-stop Airbus A321neo (32Q) 4:39 Effective from 2026-01-06
Codeshare flight, operated by Delta Air Lines.(DL 702)
Daily 17:48 Salt Lake City (SLC) 00:24 Boston Logan (BOS) A
KE 3999 Non-stop Airbus A321neo (32Q) 4:36 Effective 2025-06-13 through 2025-07-06
Codeshare flight, operated by Delta Air Lines.(DL 702)
The flight arrives 1 day after departure.
Tue,Fri,Sun 17:50 Salt Lake City (SLC) 00:27 Boston Logan (BOS) A
KE 3999 Non-stop Airbus A321neo (32Q) 4:37 Effective 2025-12-21 through 2026-01-04
Codeshare flight, operated by Delta Air Lines.(DL 702)
The flight arrives 1 day after departure.
Tue,Fri,Sun 23:24 Salt Lake City (SLC) 06:09 Boston Logan (BOS) A
KE 3999 Non-stop Airbus A321neo (32Q) 4:45 Effective 2025-10-26 through 2025-10-31
Codeshare flight, operated by Delta Air Lines.(DL 696)
The flight arrives 1 day after departure.
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Parallax here SLC-BOS


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Korean Air flight KE 3999:
Salt Lake City - Boston Logan
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Korean Air KE3999
17:15
Salt Lake City (SLC)

23:58
Boston Logan (BOS) A
Effective 2025-07-07 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 702)
Duration: 4:43, non-stop
Airbus A321neo (32Q)
Korean Air KE3999
17:15
Salt Lake City (SLC)

23:53
Boston Logan (BOS) A
Effective 2025-09-08 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 702)
Duration: 4:38, non-stop
Airbus A321neo (32Q)
Korean Air KE3999
17:15
Salt Lake City (SLC)

23:53
Boston Logan (BOS) A
Effective 2025-11-02 through 2025-12-19
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 702)
Duration: 4:38, non-stop
Airbus A321neo (32Q)
Korean Air KE3999
17:15
Salt Lake City (SLC)

23:54
Boston Logan (BOS) A
Effective from 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 702)
Duration: 4:39, non-stop
Airbus A321neo (32Q)
Korean Air KE3999
17:48
Salt Lake City (SLC)

00:24(+1)
Boston Logan (BOS) A
Effective 2025-06-13 through 2025-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 702)
Duration: 4:36, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Korean Air KE3999
17:50
Salt Lake City (SLC)

00:27(+1)
Boston Logan (BOS) A
Effective 2025-12-21 through 2026-01-04
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 702)
Duration: 4:37, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Korean Air KE3999
23:24
Salt Lake City (SLC)

06:09(+1)
Boston Logan (BOS) A
Effective 2025-10-26 through 2025-10-31
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 696)
Duration: 4:45, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
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  • KE 3999 is a domestic flight departing from the Salt Lake City airport (SLC) and arriving at Boston Logan airport (BOS).
  • The flight distance is 2098 miles, or 3377 km.
  • The timezone of the departure airport is UTC-7 , 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 4:36 and 4:45.
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