Korean Air flight KE 3666: Atlanta - Buffalo

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Thu 11:00 Atlanta (ATL) S 13:04 Buffalo (BUF)
KE 3666 Non-stop Airbus A319 (319) 2:04 Operates only on 2026-01-01
Codeshare flight, operated by Delta Air Lines.(DL 1384)
Mon 11:00 Atlanta (ATL) S 12:59 Buffalo (BUF)
KE 3666 Non-stop Airbus A320 (320) 1:59 Operates only on 2026-01-05
Codeshare flight, operated by Delta Air Lines.(DL 1384)
Sun 11:00 Atlanta (ATL) S 12:59 Buffalo (BUF)
KE 3666 Non-stop Airbus A320 (320) 1:59 Operates only on 2026-01-18
Codeshare flight, operated by Delta Air Lines.(DL 1384)
Sat 11:05 Atlanta (ATL) S 13:03 Buffalo (BUF)
KE 3666 Non-stop Boeing 737-900 (739) 1:58 Effective 2026-02-14 through 2026-03-07
Codeshare flight, operated by Delta Air Lines.(DL 1384)
Sun 11:05 Atlanta (ATL) S 13:03 Buffalo (BUF)
KE 3666 Non-stop Boeing 737-800 (738) 1:58 Operates only on 2026-02-15
Codeshare flight, operated by Delta Air Lines.(DL 1384)
Sat 11:10 Atlanta (ATL) S 13:09 Buffalo (BUF)
KE 3666 Non-stop Airbus A320 (320) 1:59 Effective 2026-01-24 through 2026-02-07
Codeshare flight, operated by Delta Air Lines.(DL 1384)
Sun 11:14 Atlanta (ATL) S 13:14 Buffalo (BUF)
KE 3666 Non-stop Boeing 737-800 (738) 2:00 Operates only on 2026-02-08
Codeshare flight, operated by Delta Air Lines.(DL 1384)
Tue,Wed,Sat 11:15 Atlanta (ATL) S 13:14 Buffalo (BUF)
KE 3666 Non-stop Airbus A320 (320) 1:59 Effective 2026-01-06 through 2026-01-17
Codeshare flight, operated by Delta Air Lines.(DL 1384)
Daily 13:28 Atlanta (ATL) S 15:30 Buffalo (BUF)
KE 3666 Non-stop Airbus A321 (321) 2:02 Effective 2026-06-07 through 2026-08-14
Codeshare flight, operated by Delta Air Lines.(DL 2266)
Mon-Fri,Sun 13:28 Atlanta (ATL) S 15:30 Buffalo (BUF)
KE 3666 Non-stop Airbus A321 (321) 2:02 Effective 2026-08-16 through 2026-09-11
Codeshare flight, operated by Delta Air Lines.(DL 2266)
Daily 13:28 Atlanta (ATL) S 15:30 Buffalo (BUF)
KE 3666 Non-stop Airbus A321 (321) 2:02 Effective 2026-09-12 through 2026-10-05
Codeshare flight, operated by Delta Air Lines.(DL 2266)
Daily 13:28 Atlanta (ATL) S 15:27 Buffalo (BUF)
KE 3666 Non-stop Airbus A321 (321) 1:59 Effective from 2026-10-06
Codeshare flight, operated by Delta Air Lines.(DL 2266)
Daily 13:55 Atlanta (ATL) S 15:59 Buffalo (BUF)
KE 3666 Non-stop Boeing 737-800 (738) 2:04 Effective 2026-03-08 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 2266)
Daily 13:55 Atlanta (ATL) S 15:59 Buffalo (BUF)
KE 3666 Non-stop Boeing 737-900 (739) 2:04 Effective 2026-04-13 through 2026-06-06
Codeshare flight, operated by Delta Air Lines.(DL 2266)
Fri 15:30 Atlanta (ATL) S 17:27 Buffalo (BUF)
KE 3666 Non-stop Airbus A320 (320) 1:57 Operates only on 2026-01-16
Codeshare flight, operated by Delta Air Lines.(DL 2050)
Mon-Fri 15:35 Atlanta (ATL) S 17:31 Buffalo (BUF)
KE 3666 Non-stop Boeing 737-900 (739) 1:56 Effective 2026-02-12 through 2026-02-20
Codeshare flight, operated by Delta Air Lines.(DL 2050)
Mon-Fri,Sun 15:35 Atlanta (ATL) S 17:31 Buffalo (BUF)
KE 3666 Non-stop Boeing 737-900 (739) 1:56 Effective 2026-02-22 through 2026-03-06
Codeshare flight, operated by Delta Air Lines.(DL 2050)
Mon,Thu,Fri,Sun 15:42 Atlanta (ATL) S 17:39 Buffalo (BUF)
KE 3666 Non-stop Airbus A320 (320) 1:57 Effective 2026-01-08 through 2026-01-15
Codeshare flight, operated by Delta Air Lines.(DL 2050)
Mon,Fri-Sun 15:50 Atlanta (ATL) S 17:47 Buffalo (BUF)
KE 3666 Non-stop Boeing 737-900 (739) 1:57 Valid until 2026-01-04
Codeshare flight, operated by Delta Air Lines.(DL 2050)
Mon-Fri,Sun 15:56 Atlanta (ATL) S 17:54 Buffalo (BUF)
KE 3666 Non-stop Boeing 737-800 (738) 1:58 Effective 2026-01-19 through 2026-02-06
Codeshare flight, operated by Delta Air Lines.(DL 2050)
Mon-Wed 15:56 Atlanta (ATL) S 17:54 Buffalo (BUF)
KE 3666 Non-stop Boeing 737-800 (738) 1:58 Effective 2026-02-09 through 2026-02-11
Codeshare flight, operated by Delta Air Lines.(DL 2050)
Sat 16:37 Atlanta (ATL) S 18:43 Buffalo (BUF)
KE 3666 Non-stop Airbus A321 (321) 2:06 Effective 2026-08-15 through 2026-09-05
Codeshare flight, operated by Delta Air Lines.(DL 2050)


Feedback - Disclaimer - Privacy
FlightMapper.net Flight Search Countries Airlines
LANGUAGES
Korean Air flight KE 3666:
Atlanta - Buffalo
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Korean Air KE3666
11:00
Atlanta (ATL) S

13:04
Buffalo (BUF)
Operates only on 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1384)
Duration: 2:04, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Korean Air KE3666
11:00
Atlanta (ATL) S

12:59
Buffalo (BUF)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1384)
Duration: 1:59, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Korean Air KE3666
11:00
Atlanta (ATL) S

12:59
Buffalo (BUF)
Operates only on 2026-01-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1384)
Duration: 1:59, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Korean Air KE3666
11:05
Atlanta (ATL) S

13:03
Buffalo (BUF)
Effective 2026-02-14 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1384)
Duration: 1:58, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Korean Air KE3666
11:05
Atlanta (ATL) S

13:03
Buffalo (BUF)
Operates only on 2026-02-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1384)
Duration: 1:58, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Korean Air KE3666
11:10
Atlanta (ATL) S

13:09
Buffalo (BUF)
Effective 2026-01-24 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1384)
Duration: 1:59, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Korean Air KE3666
11:14
Atlanta (ATL) S

13:14
Buffalo (BUF)
Operates only on 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1384)
Duration: 2:00, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Korean Air KE3666
11:15
Atlanta (ATL) S

13:14
Buffalo (BUF)
Effective 2026-01-06 through 2026-01-17
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1384)
Duration: 1:59, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Korean Air KE3666
13:28
Atlanta (ATL) S

15:30
Buffalo (BUF)
Effective 2026-06-07 through 2026-08-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2266)
Duration: 2:02, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Korean Air KE3666
13:28
Atlanta (ATL) S

15:30
Buffalo (BUF)
Effective 2026-08-16 through 2026-09-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2266)
Duration: 2:02, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Korean Air KE3666
13:28
Atlanta (ATL) S

15:30
Buffalo (BUF)
Effective 2026-09-12 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2266)
Duration: 2:02, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Korean Air KE3666
13:28
Atlanta (ATL) S

15:27
Buffalo (BUF)
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2266)
Duration: 1:59, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Korean Air KE3666
13:55
Atlanta (ATL) S

15:59
Buffalo (BUF)
Effective 2026-03-08 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2266)
Duration: 2:04, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Korean Air KE3666
13:55
Atlanta (ATL) S

15:59
Buffalo (BUF)
Effective 2026-04-13 through 2026-06-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2266)
Duration: 2:04, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Korean Air KE3666
15:30
Atlanta (ATL) S

17:27
Buffalo (BUF)
Operates only on 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2050)
Duration: 1:57, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Korean Air KE3666
15:35
Atlanta (ATL) S

17:31
Buffalo (BUF)
Effective 2026-02-12 through 2026-02-20
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2050)
Duration: 1:56, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Korean Air KE3666
15:35
Atlanta (ATL) S

17:31
Buffalo (BUF)
Effective 2026-02-22 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2050)
Duration: 1:56, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Korean Air KE3666
15:42
Atlanta (ATL) S

17:39
Buffalo (BUF)
Effective 2026-01-08 through 2026-01-15
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2050)
Duration: 1:57, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Korean Air KE3666
15:50
Atlanta (ATL) S

17:47
Buffalo (BUF)
Valid until 2026-01-04
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2050)
Duration: 1:57, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Korean Air KE3666
15:56
Atlanta (ATL) S

17:54
Buffalo (BUF)
Effective 2026-01-19 through 2026-02-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2050)
Duration: 1:58, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Korean Air KE3666
15:56
Atlanta (ATL) S

17:54
Buffalo (BUF)
Effective 2026-02-09 through 2026-02-11
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2050)
Duration: 1:58, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Korean Air KE3666
16:37
Atlanta (ATL) S

18:43
Buffalo (BUF)
Effective 2026-08-15 through 2026-09-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2050)
Duration: 2:06, non-stop
Airbus A321 (321)
  • KE 3666 is a domestic flight departing from the Atlanta airport (ATL) and arriving at Buffalo airport (BUF).
  • The flight distance is 712 miles, or 1146 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 1:56 and 2:06.
All Korean Air flights
All ATL-BUF flights
Return (BUF-ATL) flights
Feedback     -     Disclaimer     -     Privacy