KLM flights from Boston Logan (BOS) to Cincinnati (CVG).

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 17:00 Boston Logan (BOS) A 19:25 Cincinnati (CVG)
KLM KL 6728 Non-stop Embraer EMB 175 (E75) 2:25 Effective 2026-06-13 through 2026-08-08
Codeshare flight, operated by Delta Air Lines.(DL 5620)
Sat 17:00 Boston Logan (BOS) A 19:25 Cincinnati (CVG)
KLM KL 6728 Non-stop Embraer EMB 175 (E75) 2:25 Effective 2026-09-19 through 2026-10-03
Codeshare flight, operated by Delta Air Lines.(DL 5620)
Sat 17:00 Boston Logan (BOS) A 19:40 Cincinnati (CVG)
KLM KL 6728 Non-stop Embraer EMB 175 (E75) 2:40 Effective 2026-10-10 through 2026-10-24
Codeshare flight, operated by Delta Air Lines.(DL 5620)
Mon-Fri,Sun 18:30 Boston Logan (BOS) A 21:00 Cincinnati (CVG)
KLM KL 6728 Non-stop Embraer EMB 175 (E75) 2:30 Effective 2026-08-10 through 2026-09-04
Codeshare flight, operated by Delta Air Lines.(DL 5801)
Mon-Wed 18:30 Boston Logan (BOS) A 21:00 Cincinnati (CVG)
KLM KL 6728 Non-stop Embraer EMB 175 (E75) 2:30 Effective 2026-09-07 through 2026-09-09
Codeshare flight, operated by Delta Air Lines.(DL 5801)
Thu,Fri 18:30 Boston Logan (BOS) A 20:55 Cincinnati (CVG)
KLM KL 6728 Non-stop Embraer EMB 175 (E75) 2:25 Effective 2026-09-10 through 2026-09-11
Codeshare flight, operated by Delta Air Lines.(DL 5620)
Mon-Fri,Sun 18:59 Boston Logan (BOS) A 21:34 Cincinnati (CVG)
KLM KL 6728 Non-stop Embraer EMB 175 (E75) 2:35 Effective 2026-03-29 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 5620)
Mon,Wed,Fri,Sun 20:35 Boston Logan (BOS) A 23:05 Cincinnati (CVG)
KLM KL 6728 Non-stop Embraer EMB 175 (E75) 2:30 Effective 2026-04-13 through 2026-05-22
Codeshare flight, operated by Delta Air Lines.(DL 5801)
Mon,Wed-Fri,Sun 20:35 Boston Logan (BOS) A 23:05 Cincinnati (CVG)
KLM KL 6728 Non-stop Embraer EMB 175 (E75) 2:30 Effective 2026-05-25 through 2026-07-03
Codeshare flight, operated by Delta Air Lines.(DL 5801)
Mon,Wed,Fri 20:35 Boston Logan (BOS) A 23:05 Cincinnati (CVG)
KLM KL 6728 Non-stop Embraer EMB 175 (E75) 2:30 Effective 2026-07-06 through 2026-08-07
Codeshare flight, operated by Delta Air Lines.(DL 5801)
Mon,Wed,Fri 20:35 Boston Logan (BOS) A 23:05 Cincinnati (CVG)
KLM KL 6728 Non-stop Embraer EMB 175 (E75) 2:30 Effective 2026-09-14 through 2026-10-05
Codeshare flight, operated by Delta Air Lines.(DL 5801)
Mon,Wed,Fri 20:35 Boston Logan (BOS) A 23:11 Cincinnati (CVG)
KLM KL 6728 Non-stop Embraer EMB 175 (E75) 2:36 Effective 2026-10-07 through 2026-10-23
Codeshare flight, operated by Delta Air Lines.(DL 5801)
Daily 17:00 Boston Logan (BOS) A 19:40 Cincinnati (CVG)
KLM KL 6866 Non-stop Embraer EMB 175 (E75) 2:40 Effective from 2026-10-25
Codeshare flight, operated by Delta Air Lines.(DL 5620)
Mon,Tue,Fri,Sun 16:35 Boston Logan (BOS) A 19:14 Cincinnati (CVG)
KLM KL 7443 Non-stop Embraer EMB 175 (E75) 2:39 Valid until 2026-01-02
Codeshare flight, operated by Delta Air Lines.(DL 5789)
Wed,Thu 16:35 Boston Logan (BOS) A 19:14 Cincinnati (CVG)
KLM KL 7443 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:39 Valid until 2026-01-01
Codeshare flight, operated by Delta Air Lines.(DL 5789)
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KLM flights from Boston Logan (BOS) to Cincinnati (CVG).
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
KLM KL6728
17:00
Boston Logan (BOS) A

19:25
Cincinnati (CVG)
Effective 2026-06-13 through 2026-08-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5620)
Duration: 2:25, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6728
17:00
Boston Logan (BOS) A

19:25
Cincinnati (CVG)
Effective 2026-09-19 through 2026-10-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5620)
Duration: 2:25, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6728
17:00
Boston Logan (BOS) A

19:40
Cincinnati (CVG)
Effective 2026-10-10 through 2026-10-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5620)
Duration: 2:40, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6728
18:30
Boston Logan (BOS) A

21:00
Cincinnati (CVG)
Effective 2026-08-10 through 2026-09-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5801)
Duration: 2:30, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6728
18:30
Boston Logan (BOS) A

21:00
Cincinnati (CVG)
Effective 2026-09-07 through 2026-09-09
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5801)
Duration: 2:30, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6728
18:30
Boston Logan (BOS) A

20:55
Cincinnati (CVG)
Effective 2026-09-10 through 2026-09-11
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5620)
Duration: 2:25, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6728
18:59
Boston Logan (BOS) A

21:34
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 5620)
Duration: 2:35, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6728
20:35
Boston Logan (BOS) A

23:05
Cincinnati (CVG)
Effective 2026-04-13 through 2026-05-22
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5801)
Duration: 2:30, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6728
20:35
Boston Logan (BOS) A

23:05
Cincinnati (CVG)
Effective 2026-05-25 through 2026-07-03
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5801)
Duration: 2:30, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6728
20:35
Boston Logan (BOS) A

23:05
Cincinnati (CVG)
Effective 2026-07-06 through 2026-08-07
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5801)
Duration: 2:30, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6728
20:35
Boston Logan (BOS) A

23:05
Cincinnati (CVG)
Effective 2026-09-14 through 2026-10-05
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5801)
Duration: 2:30, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6728
20:35
Boston Logan (BOS) A

23:11
Cincinnati (CVG)
Effective 2026-10-07 through 2026-10-23
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5801)
Duration: 2:36, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL6866
17:00
Boston Logan (BOS) A

19:40
Cincinnati (CVG)
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5620)
Duration: 2:40, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL7443
16:35
Boston Logan (BOS) A

19:14
Cincinnati (CVG)
Valid until 2026-01-02
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5789)
Duration: 2:39, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
KLM KL7443
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)
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Parallax here BOS-CVG
  • A domestic route 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 2:40.
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