Iberia flights from Boston Logan (BOS) to Ronald Reagan Washington (DCA).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 18:16 Boston Logan (BOS) B 20:10 Ronald Reagan Washington (DCA) 2
Iberia IB 4221 Non-stop Airbus A319 (319) 1:54 Effective 2026-03-08 through 2026-03-19
Codeshare flight, operated by American Airlines.(AA 2493)
Sat 18:16 Boston Logan (BOS) B 20:10 Ronald Reagan Washington (DCA) 2
Iberia IB 4221 Non-stop Airbus A319 (319) 1:54 Effective 2026-03-21 through 2026-03-28
Codeshare flight, operated by American Airlines.(AA 2493)
Mon,Tue,Thu,Fri 17:00 Boston Logan (BOS) B 18:42 Ronald Reagan Washington (DCA) 2
Iberia IB 4336 Non-stop Airbus A319 (319) 1:42 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 1955)
Sat 17:00 Boston Logan (BOS) B 18:39 Ronald Reagan Washington (DCA) 2
Iberia IB 4336 Non-stop Airbus A319 (319) 1:39 Valid until 2026-01-03
Codeshare flight, operated by American Airlines.(AA 1955)
Sun 20:14 Boston Logan (BOS) B 22:00 Ronald Reagan Washington (DCA) 2
Iberia IB 4336 Non-stop Airbus A319 (319) 1:46 Effective 2026-03-08 through 2026-04-05
Codeshare flight, operated by American Airlines.(AA 2311)
Mon-Fri 20:30 Boston Logan (BOS) B 22:16 Ronald Reagan Washington (DCA) 2
Iberia IB 4336 Non-stop Airbus A319 (319) 1:46 Effective 2026-03-09 through 2026-03-30
Codeshare flight, operated by American Airlines.(AA 2311)
Mon,Wed-Fri 20:30 Boston Logan (BOS) B 22:16 Ronald Reagan Washington (DCA) 2
Iberia IB 4336 Non-stop Airbus A319 (319) 1:46 Effective 2026-04-01 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 2311)
Daily 17:32 Boston Logan (BOS) B 19:15 Ronald Reagan Washington (DCA) 2
Iberia IB 4338 Non-stop Canadair CRJ 700 (CR7) 1:43 Effective 2026-08-05 through 2026-09-03
Codeshare flight, operated by American Airlines.(AA 5087)
Mon,Tue,Sat,Sun 17:32 Boston Logan (BOS) B 19:15 Ronald Reagan Washington (DCA) 2
Iberia IB 4338 Non-stop Canadair CRJ 700 (CR7) 1:43 Effective 2026-09-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 5087)
Daily 19:05 Boston Logan (BOS) B 20:59 Ronald Reagan Washington (DCA) 2
Iberia IB 4338 Non-stop Embraer EMB 175 (E75) 1:54 Effective 2026-10-05 through 2026-10-24
Codeshare flight, operated by American Airlines.(AA 4514)
Mon,Wed,Sat 19:05 Boston Logan (BOS) B 20:59 Ronald Reagan Washington (DCA) 2
Iberia IB 4338 Non-stop Embraer EMB 175 (E75) 1:54 Effective from 2026-10-26
Codeshare flight, operated by American Airlines.(AA 4514)
Mon,Tue,Thu,Fri 17:00 Boston Logan (BOS) B 18:56 Ronald Reagan Washington (DCA) 2
Iberia IB 4966 Non-stop Airbus A319 (319) 1:56 Effective 2026-01-06 through 2026-01-20
Codeshare flight, operated by American Airlines.(AA 2245)
Mon-Fri,Sun 17:00 Boston Logan (BOS) B 18:56 Ronald Reagan Washington (DCA) 2
Iberia IB 4966 Non-stop Airbus A319 (319) 1:56 Effective 2026-01-21 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 2245)
Mon,Wed-Sun 18:20 Boston Logan (BOS) B 20:04 Ronald Reagan Washington (DCA) 2
Iberia IB 4966 Non-stop Airbus A319 (319) 1:44 Effective 2026-04-08 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 1905)
Mon,Wed-Sun 18:53 Boston Logan (BOS) B 20:48 Ronald Reagan Washington (DCA) 2
Iberia IB 4966 Non-stop Embraer EMB 175 (E75) 1:55 Effective 2026-05-21 through 2026-06-15
Codeshare flight, operated by American Airlines.(AA 4349)
Daily 18:53 Boston Logan (BOS) B 20:48 Ronald Reagan Washington (DCA) 2
Iberia IB 4966 Non-stop Embraer EMB 175 (E75) 1:55 Effective 2026-06-16 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 4349)
Daily 19:26 Boston Logan (BOS) B 21:23 Ronald Reagan Washington (DCA) 2
Iberia IB 4966 Non-stop Embraer EMB 175 (E75) 1:57 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 4342)
Sat 20:47 Boston Logan (BOS) B 22:47 Ronald Reagan Washington (DCA) 2
Iberia IB 4966 Non-stop Embraer EMB 175 (E75) 2:00 Effective 2026-01-10 through 2026-02-07
Codeshare flight, operated by American Airlines.(AA 4604)




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Iberia flights from Boston Logan (BOS) to Ronald Reagan Washington (DCA).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Iberia IB4221
18:16
Boston Logan (BOS) B

20:10
Ronald Reagan Washington (DCA) 2
Effective 2026-03-08 through 2026-03-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2493)
Duration: 1:54, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Iberia IB4221
18:16
Boston Logan (BOS) B

20:10
Ronald Reagan Washington (DCA) 2
Effective 2026-03-21 through 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2493)
Duration: 1:54, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Iberia IB4336
17:00
Boston Logan (BOS) B

18:42
Ronald Reagan Washington (DCA) 2
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1955)
Duration: 1:42, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Iberia IB4336
17:00
Boston Logan (BOS) B

18:39
Ronald Reagan Washington (DCA) 2
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1955)
Duration: 1:39, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Iberia IB4336
20:14
Boston Logan (BOS) B

22:00
Ronald Reagan Washington (DCA) 2
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2311)
Duration: 1:46, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Iberia IB4336
20:30
Boston Logan (BOS) B

22:16
Ronald Reagan Washington (DCA) 2
Effective 2026-03-09 through 2026-03-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2311)
Duration: 1:46, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Iberia IB4336
20:30
Boston Logan (BOS) B

22:16
Ronald Reagan Washington (DCA) 2
Effective 2026-04-01 through 2026-04-06
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2311)
Duration: 1:46, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Iberia IB4338
17:32
Boston Logan (BOS) B

19:15
Ronald Reagan Washington (DCA) 2
Effective 2026-08-05 through 2026-09-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5087)
Duration: 1:43, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4338
17:32
Boston Logan (BOS) B

19:15
Ronald Reagan Washington (DCA) 2
Effective 2026-09-05 through 2026-09-08
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5087)
Duration: 1:43, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4338
19:05
Boston Logan (BOS) B

20:59
Ronald Reagan Washington (DCA) 2
Effective 2026-10-05 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4514)
Duration: 1:54, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4338
19:05
Boston Logan (BOS) B

20:59
Ronald Reagan Washington (DCA) 2
Effective from 2026-10-26
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4514)
Duration: 1:54, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4966
17:00
Boston Logan (BOS) B

18:56
Ronald Reagan Washington (DCA) 2
Effective 2026-01-06 through 2026-01-20
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2245)
Duration: 1:56, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Iberia IB4966
17:00
Boston Logan (BOS) B

18:56
Ronald Reagan Washington (DCA) 2
Effective 2026-01-21 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2245)
Duration: 1:56, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Iberia IB4966
18:20
Boston Logan (BOS) B

20:04
Ronald Reagan Washington (DCA) 2
Effective 2026-04-08 through 2026-05-20
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1905)
Duration: 1:44, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Iberia IB4966
18:53
Boston Logan (BOS) B

20:48
Ronald Reagan Washington (DCA) 2
Effective 2026-05-21 through 2026-06-15
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4349)
Duration: 1:55, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4966
18:53
Boston Logan (BOS) B

20:48
Ronald Reagan Washington (DCA) 2
Effective 2026-06-16 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4349)
Duration: 1:55, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4966
19:26
Boston Logan (BOS) B

21:23
Ronald Reagan Washington (DCA) 2
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4342)
Duration: 1:57, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4966
20:47
Boston Logan (BOS) B

22:47
Ronald Reagan Washington (DCA) 2
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4604)
Duration: 2:00, non-stop
Embraer EMB 175 (E75)
  • A domestic route departing from the Boston Logan airport (BOS) and arriving at Ronald Reagan Washington airport (DCA).
  • The flight distance is 398 miles, or 641 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 1:39 and 2:00.
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