Korean Air flights from John Glenn Columbus (CMH) to Atlanta (ATL).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 06:30 John Glenn Columbus (CMH) 08:05 Atlanta (ATL) S
Korean Air KE 3948 Non-stop Boeing 737-900 (739) 1:35 Effective 2026-04-18 through 2026-05-23
Codeshare flight, operated by Delta Air Lines.(DL 2469)
Sat,Sun 06:30 John Glenn Columbus (CMH) 08:05 Atlanta (ATL) S
Korean Air KE 3948 Non-stop Boeing 737-900 (739) 1:35 Effective 2026-05-24 through 2026-05-30
Codeshare flight, operated by Delta Air Lines.(DL 2469)
Sat 06:30 John Glenn Columbus (CMH) 08:05 Atlanta (ATL) S
Korean Air KE 3948 Non-stop Boeing 737-900 (739) 1:35 Operates only on 2026-06-06
Codeshare flight, operated by Delta Air Lines.(DL 2469)
Mon,Tue,Sat,Sun 07:00 John Glenn Columbus (CMH) 08:50 Atlanta (ATL) S
Korean Air KE 3948 Non-stop Boeing 737-900 (739) 1:50 Valid until 2026-01-04
Codeshare flight, operated by Delta Air Lines.(DL 2909)
Daily 07:00 John Glenn Columbus (CMH) 08:52 Atlanta (ATL) S
Korean Air KE 3948 Non-stop Boeing 737-900 (739) 1:52 Effective 2026-01-20 through 2026-02-11
Codeshare flight, operated by Delta Air Lines.(DL 2909)
Daily 07:00 John Glenn Columbus (CMH) 08:38 Atlanta (ATL) S
Korean Air KE 3948 Non-stop Boeing 737-900 (739) 1:38 Effective 2026-06-07 through 2026-10-05
Codeshare flight, operated by Delta Air Lines.(DL 2909)
Daily 07:00 John Glenn Columbus (CMH) 08:45 Atlanta (ATL) S
Korean Air KE 3948 Non-stop Boeing 737-900 (739) 1:45 Effective 2026-10-06 through 2026-10-23
Codeshare flight, operated by Delta Air Lines.(DL 2909)
Daily 07:05 John Glenn Columbus (CMH) 08:53 Atlanta (ATL) S
Korean Air KE 3948 Non-stop Boeing 737-800 (738) 1:48 Effective 2026-03-28 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 2909)
Mon-Fri,Sun 07:15 John Glenn Columbus (CMH) 08:55 Atlanta (ATL) S
Korean Air KE 3948 Non-stop Boeing 737-900 (739) 1:40 Effective 2026-04-13 through 2026-05-22
Codeshare flight, operated by Delta Air Lines.(DL 2909)
Mon-Fri,Sun 07:15 John Glenn Columbus (CMH) 08:55 Atlanta (ATL) S
Korean Air KE 3948 Non-stop Boeing 737-900 (739) 1:40 Effective 2026-05-25 through 2026-06-05
Codeshare flight, operated by Delta Air Lines.(DL 2909)
Daily 08:00 John Glenn Columbus (CMH) 09:49 Atlanta (ATL) S
Korean Air KE 3948 Non-stop Boeing 737-800 (738) 1:49 Effective 2026-02-12 through 2026-03-07
Codeshare flight, operated by Delta Air Lines.(DL 2567)
Daily 08:00 John Glenn Columbus (CMH) 09:43 Atlanta (ATL) S
Korean Air KE 3948 Non-stop Boeing 737-800 (738) 1:43 Effective from 2026-10-24
Codeshare flight, operated by Delta Air Lines.(DL 3165)
Daily 08:00 John Glenn Columbus (CMH) 09:37 Atlanta (ATL) S
Korean Air KE 5394 Non-stop Boeing 737-800 (738) 1:37 Effective 2026-06-07 through 2026-10-05
Codeshare flight, operated by Delta Air Lines.(DL 3165)
Daily 08:00 John Glenn Columbus (CMH) 09:43 Atlanta (ATL) S
Korean Air KE 5394 Non-stop Boeing 737-800 (738) 1:43 Effective 2026-10-06 through 2026-10-23
Codeshare flight, operated by Delta Air Lines.(DL 3165)
Tue 17:00 John Glenn Columbus (CMH) 18:43 Atlanta (ATL) S
Korean Air KE 5394 Non-stop Boeing 737-900 (739) 1:43 Effective 2026-03-31 through 2026-04-07
Codeshare flight, operated by Delta Air Lines.(DL 2200)
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Korean Air flights from John Glenn Columbus (CMH) to Atlanta (ATL).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Effective 2026-04-18 through 2026-05-23
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2469)
Duration: 1:35, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Effective 2026-05-24 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2469)
Duration: 1:35, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Operates only on 2026-06-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2469)
Duration: 1:35, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2909)
Duration: 1:50, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Effective 2026-01-20 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2909)
Duration: 1:52, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Effective 2026-06-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2909)
Duration: 1:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Effective 2026-10-06 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2909)
Duration: 1:45, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Effective 2026-03-28 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2909)
Duration: 1:48, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-04-13 through 2026-05-22
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2909)
Duration: 1:40, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Effective 2026-05-25 through 2026-06-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2909)
Duration: 1:40, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2567)
Duration: 1:49, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective from 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3165)
Duration: 1:43, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-06-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3165)
Duration: 1:37, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-10-06 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3165)
Duration: 1:43, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-03-31 through 2026-04-07
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2200)
Duration: 1:43, non-stop
Boeing 737-900 (739)
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  • A domestic route departing from the John Glenn Columbus airport (CMH) and arriving at Atlanta airport (ATL).
  • The flight distance is 447 miles, or 719 km.
  • The timezone of both the departure and the arrival airports is UTC-5 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 1:34 and 2:01.