Korean Air
flight
KE 3640:
Denver - Atlanta
Denver - Atlanta
FLIGHT SCHEDULE
Direct Codeshare Flights:
Korean Air KE3640
Effective 2026-01-20 through 2026-01-30
Mon
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-
Tue
Wed
Thu
Fri
Sat
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Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 302)
Duration: 2:57, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Korean Air KE3640
Effective 2026-01-24 through 2026-01-26
Mon
Tue
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-
Wed
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Thu
-
-
Fri
-
-
Sat
Sun
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-
Codeshare flight, operated by Delta Air Lines.
(DL 302)
Duration: 2:56, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Korean Air KE3640
Effective 2026-01-31 through 2026-02-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by Delta Air Lines.
(DL 302)
Duration: 2:57, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Korean Air KE3640
Effective 2026-02-10 through 2026-02-11
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by Delta Air Lines.
(DL 302)
Duration: 2:57, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Korean Air KE3640
Effective 2026-03-09 through 2026-04-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by Delta Air Lines.
(DL 302)
Duration: 2:56, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Korean Air KE3640
Effective 2026-02-12 through 2026-02-21
Mon
-
-
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by Delta Air Lines.
(DL 1574)
Duration: 2:56, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Korean Air KE3640
Effective 2026-02-23 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by Delta Air Lines.
(DL 1574)
Duration: 2:56, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Korean Air KE3640
Effective 2026-04-13 through 2026-05-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by Delta Air Lines.
(DL 302)
Duration: 3:00, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Korean Air KE3640
Effective 2026-05-26 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by Delta Air Lines.
(DL 302)
Duration: 3:00, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Korean Air KE3640
Effective 2026-06-12 through 2026-08-08
Mon
Tue
Wed
-
-
Thu
-
-
Fri
Sat
Sun
-
-
Codeshare flight, operated by Delta Air Lines.
(DL 302)
Duration: 3:00, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Korean Air KE3640
Effective from 2026-09-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 302)
Duration: 2:58, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Korean Air KE3640
Effective 2026-03-29 through 2026-04-12
Mon
-
-
Tue
-
-
Wed
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-
Thu
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Fri
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-
Sat
-
-
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 341)
Duration: 2:54, non-stop Airbus A321 (321)
- KE 3640 is a domestic flight departing from the Denver airport (DEN) and arriving at Atlanta airport (ATL).
- The flight distance is 1196 miles, or 1925 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 2:54 and 3:00.