Korean Air flight KE 3977: Boston Logan - Richmond

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Fri 10:45 Boston Logan (BOS) A 12:44 Richmond (RIC)
KE 3977 Non-stop Embraer EMB 175 (E75) 1:59 Effective 2026-02-12 through 2026-03-06
Codeshare flight, operated by Delta Air Lines.(DL 5622)
Sun 10:45 Boston Logan (BOS) A 12:44 Richmond (RIC)
KE 3977 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:59 Effective 2026-02-15 through 2026-03-01
Codeshare flight, operated by Delta Air Lines.(DL 5622)
Mon-Fri,Sun 10:46 Boston Logan (BOS) A 12:48 Richmond (RIC)
KE 3977 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:02 Effective 2026-01-06 through 2026-01-16
Codeshare flight, operated by Delta Air Lines.(DL 5622)
Mon-Fri,Sun 10:46 Boston Logan (BOS) A 12:48 Richmond (RIC)
KE 3977 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:02 Effective 2026-01-19 through 2026-02-06
Codeshare flight, operated by Delta Air Lines.(DL 5622)
Mon-Wed 10:46 Boston Logan (BOS) A 12:48 Richmond (RIC)
KE 3977 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:02 Effective 2026-02-09 through 2026-02-11
Codeshare flight, operated by Delta Air Lines.(DL 5622)
Sun 11:05 Boston Logan (BOS) A 13:09 Richmond (RIC)
KE 3977 Non-stop Embraer EMB 175 (E75) 2:04 Operates only on 2026-01-18
Codeshare flight, operated by Delta Air Lines.(DL 5622)
Sat 11:25 Boston Logan (BOS) A 13:26 Richmond (RIC)
KE 3977 Non-stop Embraer EMB 175 (E75) 2:01 Effective 2026-02-14 through 2026-03-07
Codeshare flight, operated by Delta Air Lines.(DL 5622)
Sat 11:30 Boston Logan (BOS) A 13:34 Richmond (RIC)
KE 3977 Non-stop Embraer EMB 175 (E75) 2:04 Effective 2026-01-10 through 2026-02-07
Codeshare flight, operated by Delta Air Lines.(DL 5622)
Sun 11:30 Boston Logan (BOS) A 13:34 Richmond (RIC)
KE 3977 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:04 Operates only on 2026-02-08
Codeshare flight, operated by Delta Air Lines.(DL 5622)
Daily 11:40 Boston Logan (BOS) A 13:44 Richmond (RIC)
KE 3977 Non-stop Embraer EMB 175 (E75) 2:04 Valid until 2026-01-04
Codeshare flight, operated by Delta Air Lines.(DL 5664)
Mon 13:15 Boston Logan (BOS) A 15:17 Richmond (RIC)
KE 3977 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:02 Operates only on 2026-01-05
Codeshare flight, operated by Delta Air Lines.(DL 5622)
Mon-Fri,Sun 15:20 Boston Logan (BOS) A 17:17 Richmond (RIC)
KE 3977 Non-stop Embraer EMB 175 (E75) 1:57 Effective 2026-04-13 through 2026-05-22
Codeshare flight, operated by Delta Air Lines.(DL 5665)
Mon-Fri,Sun 15:20 Boston Logan (BOS) A 17:17 Richmond (RIC)
KE 3977 Non-stop Embraer EMB 175 (E75) 1:57 Effective 2026-05-25 through 2026-08-14
Codeshare flight, operated by Delta Air Lines.(DL 5665)
Daily 15:20 Boston Logan (BOS) A 17:17 Richmond (RIC)
KE 3977 Non-stop Embraer EMB 175 (E75) 1:57 Effective 2026-08-15 through 2026-10-05
Codeshare flight, operated by Delta Air Lines.(DL 5665)
Daily 15:20 Boston Logan (BOS) A 17:20 Richmond (RIC)
KE 3977 Non-stop Embraer EMB 175 (E75) 2:00 Effective from 2026-10-06
Codeshare flight, operated by Delta Air Lines.(DL 5665)
Sat 16:20 Boston Logan (BOS) A 18:17 Richmond (RIC)
KE 3977 Non-stop Embraer EMB 175 (E75) 1:57 Effective 2026-04-18 through 2026-05-23
Codeshare flight, operated by Delta Air Lines.(DL 5665)
Sat,Sun 16:20 Boston Logan (BOS) A 18:17 Richmond (RIC)
KE 3977 Non-stop Embraer EMB 175 (E75) 1:57 Effective 2026-05-24 through 2026-05-30
Codeshare flight, operated by Delta Air Lines.(DL 5665)
Sat 16:20 Boston Logan (BOS) A 18:17 Richmond (RIC)
KE 3977 Non-stop Embraer EMB 175 (E75) 1:57 Effective 2026-06-06 through 2026-08-08
Codeshare flight, operated by Delta Air Lines.(DL 5665)
Daily 16:30 Boston Logan (BOS) A 18:33 Richmond (RIC)
KE 3977 Non-stop Embraer EMB 175 (E75) 2:03 Effective 2026-03-08 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 5665)


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Korean Air flight KE 3977:
Boston Logan - Richmond
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Korean Air KE3977
10:45
Boston Logan (BOS) A

12:44
Richmond (RIC)
Effective 2026-02-12 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5622)
Duration: 1:59, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3977
10:45
Boston Logan (BOS) A

12:44
Richmond (RIC)
Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5622)
Duration: 1:59, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Korean Air KE3977
10:46
Boston Logan (BOS) A

12:48
Richmond (RIC)
Effective 2026-01-06 through 2026-01-16
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5622)
Duration: 2:02, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Korean Air KE3977
10:46
Boston Logan (BOS) A

12:48
Richmond (RIC)
Effective 2026-01-19 through 2026-02-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5622)
Duration: 2:02, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Korean Air KE3977
10:46
Boston Logan (BOS) A

12:48
Richmond (RIC)
Effective 2026-02-09 through 2026-02-11
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5622)
Duration: 2:02, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Korean Air KE3977
11:05
Boston Logan (BOS) A

13:09
Richmond (RIC)
Operates only on 2026-01-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5622)
Duration: 2:04, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3977
11:25
Boston Logan (BOS) A

13:26
Richmond (RIC)
Effective 2026-02-14 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5622)
Duration: 2:01, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3977
11:30
Boston Logan (BOS) A

13:34
Richmond (RIC)
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5622)
Duration: 2:04, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3977
11:30
Boston Logan (BOS) A

13:34
Richmond (RIC)
Operates only on 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5622)
Duration: 2:04, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Korean Air KE3977
11:40
Boston Logan (BOS) A

13:44
Richmond (RIC)
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5664)
Duration: 2:04, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3977
13:15
Boston Logan (BOS) A

15:17
Richmond (RIC)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5622)
Duration: 2:02, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Korean Air KE3977
15:20
Boston Logan (BOS) A

17:17
Richmond (RIC)
Effective 2026-04-13 through 2026-05-22
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5665)
Duration: 1:57, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3977
15:20
Boston Logan (BOS) A

17:17
Richmond (RIC)
Effective 2026-05-25 through 2026-08-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5665)
Duration: 1:57, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3977
15:20
Boston Logan (BOS) A

17:17
Richmond (RIC)
Effective 2026-08-15 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5665)
Duration: 1:57, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3977
15:20
Boston Logan (BOS) A

17:20
Richmond (RIC)
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5665)
Duration: 2:00, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3977
16:20
Boston Logan (BOS) A

18:17
Richmond (RIC)
Effective 2026-04-18 through 2026-05-23
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5665)
Duration: 1:57, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3977
16:20
Boston Logan (BOS) A

18:17
Richmond (RIC)
Effective 2026-05-24 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5665)
Duration: 1:57, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3977
16:20
Boston Logan (BOS) A

18:17
Richmond (RIC)
Effective 2026-06-06 through 2026-08-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5665)
Duration: 1:57, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Korean Air KE3977
16:30
Boston Logan (BOS) A

18:33
Richmond (RIC)
Effective 2026-03-08 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5665)
Duration: 2:03, non-stop
Embraer EMB 175 (E75)
  • KE 3977 is a domestic flight departing from the Boston Logan airport (BOS) and arriving at Richmond airport (RIC).
  • The flight distance is 473 miles, or 762 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 1:57 and 2:04.
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