Korean Air
flight
KE 3421:
Boston Logan - Dallas Fort Worth
Boston Logan - Dallas Fort Worth
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Korean Air KE3421
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 760)
Duration: 4:30, non-stop Airbus A220-100 (221)
Korean Air KE3421
Effective 2025-06-08 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
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Sun
Codeshare flight, operated by Delta Air Lines.
(DL 760)
Duration: 4:11, non-stop Airbus A220-100 (221)
Korean Air KE3421
Operates only on 2025-07-04
Mon
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 1781)
Duration: 4:11, non-stop Airbus A220-300 (223)
Korean Air KE3421
Operates only on 2025-07-06
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Codeshare flight, operated by Delta Air Lines.
(DL 760)
Duration: 4:11, non-stop Airbus A220-100 (221)
Korean Air KE3421
Effective 2025-05-07 through 2025-06-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 760)
Duration: 4:15, non-stop Airbus A220-100 (221)
Korean Air KE3421
Effective 2025-07-07 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1781)
Duration: 4:17, non-stop Airbus A220-100 (221)
Korean Air KE3421
Effective 2025-09-08 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1781)
Duration: 4:33, non-stop Airbus A319 (319)
Korean Air KE3421
Effective 2025-06-14 through 2025-07-05
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 760)
Duration: 4:09, non-stop Airbus A220-100 (221)
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Parallax here BOS-DFW
- KE 3421 is a domestic flight departing from the Boston Logan airport (BOS) and arriving at Dallas Fort Worth airport (DFW).
- The flight distance is 1558 miles, or 2507 km.
- The timezone of the departure airport is UTC-5 , 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 4:09 and 4:33.