Korean Air flight KE 3634: Atlanta - Denver

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 21:10 Atlanta (ATL) S 22:29 Denver (DEN)
KE 3634 Non-stop Airbus A321 (321) 3:19 Effective 2025-06-14 through 2025-07-05
Codeshare flight, operated by Delta Air Lines.(DL 493)
Sat 21:35 Atlanta (ATL) S 22:57 Denver (DEN)
KE 3634 Non-stop Airbus A321 (321) 3:22 Effective 2025-07-12 through 2025-08-09
Codeshare flight, operated by Delta Air Lines.(DL 956)
Daily 22:25 Atlanta (ATL) S 23:40 Denver (DEN)
KE 3634 Non-stop Airbus A321 (321) 3:15 Valid until 2025-05-06
Codeshare flight, operated by Delta Air Lines.(DL 956)
Mon,Thu,Fri,Sun 22:25 Atlanta (ATL) S 23:47 Denver (DEN)
KE 3634 Non-stop Airbus A321 (321) 3:22 Effective 2025-07-07 through 2025-08-29
Codeshare flight, operated by Delta Air Lines.(DL 956)
Mon,Thu,Fri,Sun 22:25 Atlanta (ATL) S 23:47 Denver (DEN)
KE 3634 Non-stop Airbus A321 (321) 3:22 Effective 2025-09-01 through 2025-09-07
Codeshare flight, operated by Delta Air Lines.(DL 956)
Daily 22:25 Atlanta (ATL) S 23:47 Denver (DEN)
KE 3634 Non-stop Airbus A321 (321) 3:22 Effective 2025-09-08 through 2025-09-30
Codeshare flight, operated by Delta Air Lines.(DL 3214)
Daily 22:25 Atlanta (ATL) S 23:47 Denver (DEN)
KE 3634 Non-stop Airbus A321 (321) 3:22 Effective 2025-10-26 through 2025-11-01
Codeshare flight, operated by Delta Air Lines.(DL 3214)
Daily 22:25 Atlanta (ATL) S 23:54 Denver (DEN)
KE 3634 Non-stop Airbus A321 (321) 3:29 Effective from 2026-01-06
Codeshare flight, operated by Delta Air Lines.(DL 956)
Thu 22:40 Atlanta (ATL) S 00:04 Denver (DEN)
KE 3634 Non-stop Airbus A321 (321) 3:24 Operates only on 2025-05-08
Codeshare flight, operated by Delta Air Lines.(DL 956)
The flight arrives 1 day after departure.
Sun 22:50 Atlanta (ATL) S 00:13 Denver (DEN)
KE 3634 Non-stop Airbus A321 (321) 3:23 Operates only on 2025-07-06
Codeshare flight, operated by Delta Air Lines.(DL 956)
The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 22:52 Atlanta (ATL) S 00:16 Denver (DEN)
KE 3634 Non-stop Airbus A321 (321) 3:24 Effective 2025-05-09 through 2025-05-23
Codeshare flight, operated by Delta Air Lines.(DL 956)
The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 22:52 Atlanta (ATL) S 00:16 Denver (DEN)
KE 3634 Non-stop Airbus A321 (321) 3:24 Effective 2025-05-26 through 2025-06-06
Codeshare flight, operated by Delta Air Lines.(DL 956)
The flight arrives 1 day after departure.
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Korean Air flight KE 3634:
Atlanta - Denver
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Korean Air KE3634
21:10
Atlanta (ATL) S

22:29
Denver (DEN)
Effective 2025-06-14 through 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 493)
Duration: 3:19, non-stop
Airbus A321 (321)
Korean Air KE3634
21:35
Atlanta (ATL) S

22:57
Denver (DEN)
Effective 2025-07-12 through 2025-08-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 956)
Duration: 3:22, non-stop
Airbus A321 (321)
Korean Air KE3634
22:25
Atlanta (ATL) S

23:40
Denver (DEN)
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 956)
Duration: 3:15, non-stop
Airbus A321 (321)
Korean Air KE3634
22:25
Atlanta (ATL) S

23:47
Denver (DEN)
Effective 2025-07-07 through 2025-08-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 956)
Duration: 3:22, non-stop
Airbus A321 (321)
Korean Air KE3634
22:25
Atlanta (ATL) S

23:47
Denver (DEN)
Effective 2025-09-01 through 2025-09-07
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 956)
Duration: 3:22, non-stop
Airbus A321 (321)
Korean Air KE3634
22:25
Atlanta (ATL) S

23:47
Denver (DEN)
Effective 2025-09-08 through 2025-09-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3214)
Duration: 3:22, non-stop
Airbus A321 (321)
Korean Air KE3634
22:25
Atlanta (ATL) S

23:47
Denver (DEN)
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3214)
Duration: 3:22, non-stop
Airbus A321 (321)
Korean Air KE3634
22:25
Atlanta (ATL) S

23:54
Denver (DEN)
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 956)
Duration: 3:29, non-stop
Airbus A321 (321)
Korean Air KE3634
22:40
Atlanta (ATL) S

00:04(+1)
Denver (DEN)
Operates only on 2025-05-08
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 956)
Duration: 3:24, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Korean Air KE3634
22:50
Atlanta (ATL) S

00:13(+1)
Denver (DEN)
Operates only on 2025-07-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 956)
Duration: 3:23, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Korean Air KE3634
22:52
Atlanta (ATL) S

00:16(+1)
Denver (DEN)
Effective 2025-05-09 through 2025-05-23
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 956)
Duration: 3:24, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Korean Air KE3634
22:52
Atlanta (ATL) S

00:16(+1)
Denver (DEN)
Effective 2025-05-26 through 2025-06-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 956)
Duration: 3:24, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
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  • KE 3634 is a domestic flight departing from the Atlanta airport (ATL) and arriving at Denver airport (DEN).
  • The flight distance is 1196 miles, or 1925 km.
  • The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-7 . 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 3:15 and 3:29.
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