Korean Air
flight
KE 3635:
Denver - Atlanta
Denver - Atlanta
FLIGHT SCHEDULE
Direct Codeshare Flights:
Korean Air KE3635
Effective 2026-08-15 through 2026-09-05
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
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-
Sat
Sun
-
-
Codeshare flight, operated by Delta Air Lines.
(DL 957)
Duration: 3:07, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Korean Air KE3635
Effective 2026-09-06 through 2026-09-12
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 957)
Duration: 3:07, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Korean Air KE3635
Effective 2026-09-19 through 2026-10-03
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by Delta Air Lines.
(DL 957)
Duration: 3:07, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Korean Air KE3635
Effective from 2026-10-10
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by Delta Air Lines.
(DL 957)
Duration: 3:01, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Korean Air KE3635
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 396)
Duration: 2:57, non-stop Boeing 757 (757)
Direct Codeshare Flights:
Korean Air KE3635
Effective 2026-03-08 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 840)
Duration: 3:02, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Korean Air KE3635
Effective 2026-04-13 through 2026-08-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 840)
Duration: 3:08, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Korean Air KE3635
Effective 2026-08-16 through 2026-09-04
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 840)
Duration: 3:08, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Korean Air KE3635
Effective 2026-09-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 840)
Duration: 3:08, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Korean Air KE3635
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 840)
Duration: 3:01, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Korean Air KE3635
Effective 2026-01-05 through 2026-01-07
Mon
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by Delta Air Lines.
(DL 840)
Duration: 3:07, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Korean Air KE3635
Effective 2026-01-08 through 2026-01-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 840)
Duration: 3:07, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Korean Air KE3635
Effective 2026-01-19 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 840)
Duration: 3:07, non-stop Boeing 737-900 (739)
- KE 3635 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 2:57 and 3:08.