Korean Air flight KE 3964: Boston Logan - Cincinnati

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 10:40 Boston Logan (BOS) A 13:16 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:36 Effective 2026-01-10 through 2026-02-07
Codeshare flight, operated by Delta Air Lines.(DL 5601)
Mon-Fri 11:00 Boston Logan (BOS) A 13:35 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:35 Effective 2026-02-12 through 2026-03-06
Codeshare flight, operated by Delta Air Lines.(DL 5606)
Sun 11:00 Boston Logan (BOS) A 13:35 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 175 (E75) 2:35 Effective 2026-02-22 through 2026-03-01
Codeshare flight, operated by Delta Air Lines.(DL 5606)
Mon-Fri,Sun 11:15 Boston Logan (BOS) A 13:40 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 175 (E75) 2:25 Effective 2026-03-08 through 2026-03-27
Codeshare flight, operated by Delta Air Lines.(DL 5674)
Sat 12:30 Boston Logan (BOS) A 15:05 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 175 (E75) 2:35 Effective 2026-04-18 through 2026-05-02
Codeshare flight, operated by Delta Air Lines.(DL 5620)
Sat 12:30 Boston Logan (BOS) A 14:55 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 175 (E75) 2:25 Effective 2026-05-09 through 2026-05-23
Codeshare flight, operated by Delta Air Lines.(DL 5598)
Sat,Sun 12:30 Boston Logan (BOS) A 14:55 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 175 (E75) 2:25 Effective 2026-05-24 through 2026-05-30
Codeshare flight, operated by Delta Air Lines.(DL 5598)
Sat 12:30 Boston Logan (BOS) A 14:55 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 175 (E75) 2:25 Effective 2026-06-06 through 2026-08-08
Codeshare flight, operated by Delta Air Lines.(DL 5598)
Mon,Tue,Fri,Sun 12:59 Boston Logan (BOS) A 15:36 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 175 (E75) 2:37 Valid until 2026-01-04
Codeshare flight, operated by Delta Air Lines.(DL 5611)
Mon-Fri 13:40 Boston Logan (BOS) A 16:20 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 175 (E75) 2:40 Effective 2026-01-06 through 2026-01-16
Codeshare flight, operated by Delta Air Lines.(DL 5789)
Mon-Fri 13:50 Boston Logan (BOS) A 16:30 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 175 (E75) 2:40 Effective 2026-01-19 through 2026-02-11
Codeshare flight, operated by Delta Air Lines.(DL 5789)
Mon-Fri,Sun 14:30 Boston Logan (BOS) A 17:05 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 175 (E75) 2:35 Effective 2026-04-13 through 2026-05-06
Codeshare flight, operated by Delta Air Lines.(DL 5620)
Mon-Fri,Sun 14:30 Boston Logan (BOS) A 16:58 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 175 (E75) 2:28 Effective 2026-05-07 through 2026-05-22
Codeshare flight, operated by Delta Air Lines.(DL 5789)
Mon-Fri,Sun 14:30 Boston Logan (BOS) A 16:58 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 175 (E75) 2:28 Effective 2026-05-25 through 2026-08-14
Codeshare flight, operated by Delta Air Lines.(DL 5789)
Daily 14:30 Boston Logan (BOS) A 16:58 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 175 (E75) 2:28 Effective 2026-08-15 through 2026-10-05
Codeshare flight, operated by Delta Air Lines.(DL 5789)
Daily 14:30 Boston Logan (BOS) A 17:03 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 175 (E75) 2:33 Effective from 2026-10-06
Codeshare flight, operated by Delta Air Lines.(DL 5789)
Sat,Sun 14:35 Boston Logan (BOS) A 17:10 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 175 (E75) 2:35 Effective 2026-02-14 through 2026-02-21
Codeshare flight, operated by Delta Air Lines.(DL 5789)
Sat 14:35 Boston Logan (BOS) A 17:10 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 175 (E75) 2:35 Effective 2026-02-28 through 2026-03-07
Codeshare flight, operated by Delta Air Lines.(DL 5789)
Sat 14:40 Boston Logan (BOS) A 17:14 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:34 Operates only on 2026-01-03
Codeshare flight, operated by Delta Air Lines.(DL 5611)
Sat 14:50 Boston Logan (BOS) A 17:17 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 175 (E75) 2:27 Effective 2026-03-14 through 2026-03-28
Codeshare flight, operated by Delta Air Lines.(DL 5789)
Daily 14:50 Boston Logan (BOS) A 17:17 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 175 (E75) 2:27 Effective 2026-03-29 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 5789)
Wed,Thu 16:35 Boston Logan (BOS) A 19:14 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:39 Valid until 2026-01-01
Codeshare flight, operated by Delta Air Lines.(DL 5789)
Mon,Sun 18:15 Boston Logan (BOS) A 20:59 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 175 (E75) 2:44 Effective 2026-01-05 through 2026-01-11
Codeshare flight, operated by Delta Air Lines.(DL 5620)
Sun 18:15 Boston Logan (BOS) A 20:59 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 175 (E75) 2:44 Operates only on 2026-01-18
Codeshare flight, operated by Delta Air Lines.(DL 5789)
Sun 18:15 Boston Logan (BOS) A 20:59 Cincinnati (CVG)
KE 3964 Non-stop Embraer EMB 175 (E75) 2:44 Operates only on 2026-02-08
Codeshare flight, operated by Delta Air Lines.(DL 5620)


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Korean Air flight KE 3964:
Boston Logan - Cincinnati
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Korean Air KE3964
10:40
Boston Logan (BOS) A

13:16
Cincinnati (CVG)
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5601)
Duration: 2:36, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Korean Air KE3964
11:00
Boston Logan (BOS) A

13:35
Cincinnati (CVG)
Effective 2026-02-12 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5606)
Duration: 2:35, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Korean Air KE3964
11:00
Boston Logan (BOS) A

13:35
Cincinnati (CVG)
Effective 2026-02-22 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5606)
Duration: 2:35, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3964
11:15
Boston Logan (BOS) A

13:40
Cincinnati (CVG)
Effective 2026-03-08 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5674)
Duration: 2:25, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3964
12:30
Boston Logan (BOS) A

15:05
Cincinnati (CVG)
Effective 2026-04-18 through 2026-05-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5620)
Duration: 2:35, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3964
12:30
Boston Logan (BOS) A

14:55
Cincinnati (CVG)
Effective 2026-05-09 through 2026-05-23
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5598)
Duration: 2:25, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3964
12:30
Boston Logan (BOS) A

14:55
Cincinnati (CVG)
Effective 2026-05-24 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5598)
Duration: 2:25, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3964
12:30
Boston Logan (BOS) A

14:55
Cincinnati (CVG)
Effective 2026-06-06 through 2026-08-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5598)
Duration: 2:25, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3964
12:59
Boston Logan (BOS) A

15:36
Cincinnati (CVG)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5611)
Duration: 2:37, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3964
13:40
Boston Logan (BOS) A

16:20
Cincinnati (CVG)
Effective 2026-01-06 through 2026-01-16
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5789)
Duration: 2:40, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3964
13:50
Boston Logan (BOS) A

16:30
Cincinnati (CVG)
Effective 2026-01-19 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5789)
Duration: 2:40, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3964
14:30
Boston Logan (BOS) A

17:05
Cincinnati (CVG)
Effective 2026-04-13 through 2026-05-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5620)
Duration: 2:35, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3964
14:30
Boston Logan (BOS) A

16:58
Cincinnati (CVG)
Effective 2026-05-07 through 2026-05-22
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5789)
Duration: 2:28, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3964
14:30
Boston Logan (BOS) A

16:58
Cincinnati (CVG)
Effective 2026-05-25 through 2026-08-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5789)
Duration: 2:28, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3964
14:30
Boston Logan (BOS) A

16:58
Cincinnati (CVG)
Effective 2026-08-15 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5789)
Duration: 2:28, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3964
14:30
Boston Logan (BOS) A

17:03
Cincinnati (CVG)
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5789)
Duration: 2:33, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3964
14:35
Boston Logan (BOS) A

17:10
Cincinnati (CVG)
Effective 2026-02-14 through 2026-02-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5789)
Duration: 2:35, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3964
14:35
Boston Logan (BOS) A

17:10
Cincinnati (CVG)
Effective 2026-02-28 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5789)
Duration: 2:35, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3964
14:40
Boston Logan (BOS) A

17:14
Cincinnati (CVG)
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5611)
Duration: 2:34, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Korean Air KE3964
14:50
Boston Logan (BOS) A

17:17
Cincinnati (CVG)
Effective 2026-03-14 through 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5789)
Duration: 2:27, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3964
14:50
Boston Logan (BOS) A

17:17
Cincinnati (CVG)
Effective 2026-03-29 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5789)
Duration: 2:27, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3964
16:35
Boston Logan (BOS) A

19:14
Cincinnati (CVG)
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5789)
Duration: 2:39, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Korean Air KE3964
18:15
Boston Logan (BOS) A

20:59
Cincinnati (CVG)
Effective 2026-01-05 through 2026-01-11
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5620)
Duration: 2:44, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3964
18:15
Boston Logan (BOS) A

20:59
Cincinnati (CVG)
Operates only on 2026-01-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5789)
Duration: 2:44, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3964
18:15
Boston Logan (BOS) A

20:59
Cincinnati (CVG)
Operates only on 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5620)
Duration: 2:44, non-stop
Embraer EMB 175 (E75)
  • KE 3964 is a domestic flight departing from the Boston Logan airport (BOS) and arriving at Cincinnati airport (CVG).
  • The flight distance is 750 miles, or 1207 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 2:25 and 2:44.
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