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

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 12:15 Boston Logan (BOS) B 13:55 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4070 Non-stop Airbus A319 (319) 1:40 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 1586)
Sat 13:50 Boston Logan (BOS) B 15:48 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4070 Non-stop Embraer EMB 175 (E75) 1:58 Effective 2026-03-14 through 2026-04-04
Codeshare flight, operated by American Airlines.(AA 4794)
Mon-Fri,Sun 13:40 Boston Logan (BOS) B 15:30 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4209 Non-stop Airbus A319 (319) 1:50 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 3207)
Daily 12:00 Boston Logan (BOS) B 13:41 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4248 Non-stop Airbus A319 (319) 1:41 Effective 2026-04-07 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 1893)
Sat 13:40 Boston Logan (BOS) B 15:43 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4269 Non-stop Embraer EMB 175 (E75) 2:03 Effective 2026-02-14 through 2026-02-28
Codeshare flight, operated by American Airlines.(AA 4604)
Mon-Fri 13:44 Boston Logan (BOS) B 15:42 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4269 Non-stop Embraer EMB 175 (E75) 1:58 Effective 2026-03-09 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 4794)
Sun 13:45 Boston Logan (BOS) B 15:41 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4269 Non-stop Airbus A319 (319) 1:56 Effective 2026-02-15 through 2026-03-01
Codeshare flight, operated by American Airlines.(AA 2570)
Thu,Fri 13:55 Boston Logan (BOS) B 15:58 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4269 Non-stop Embraer EMB 175 (E75) 2:03 Effective 2026-02-12 through 2026-02-13
Codeshare flight, operated by American Airlines.(AA 4604)
Fri 13:55 Boston Logan (BOS) B 15:51 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4269 Non-stop Airbus A319 (319) 1:56 Operates only on 2026-02-20
Codeshare flight, operated by American Airlines.(AA 2434)
Sun 13:55 Boston Logan (BOS) B 15:42 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4269 Non-stop Airbus A319 (319) 1:47 Effective 2026-03-08 through 2026-04-05
Codeshare flight, operated by American Airlines.(AA 2570)
Daily 05:17 Boston Logan (BOS) B 06:59 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4435 Non-stop Airbus A319 (319) 1:42 Effective 2026-04-11 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 2159)
Sat 13:40 Boston Logan (BOS) B 15:43 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4535 Non-stop Embraer EMB 175 (E75) 2:03 Operates only on 2026-03-07
Codeshare flight, operated by American Airlines.(AA 4604)
Mon-Thu 13:55 Boston Logan (BOS) B 15:58 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4535 Non-stop Embraer EMB 175 (E75) 2:03 Effective 2026-02-16 through 2026-02-26
Codeshare flight, operated by American Airlines.(AA 4604)
Mon-Fri 13:55 Boston Logan (BOS) B 15:58 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4535 Non-stop Embraer EMB 175 (E75) 2:03 Effective 2026-02-27 through 2026-03-06
Codeshare flight, operated by American Airlines.(AA 4604)
Daily 12:00 Boston Logan (BOS) B 13:42 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4538 Non-stop Airbus A319 (319) 1:42 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 1556)
Daily 12:05 Boston Logan (BOS) B 13:49 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4538 Non-stop Airbus A319 (319) 1:44 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 2134)
Daily 12:15 Boston Logan (BOS) B 13:54 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4538 Non-stop Airbus A319 (319) 1:39 Effective 2026-09-09 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 2134)
Daily 12:33 Boston Logan (BOS) B 14:24 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4538 Non-stop Embraer EMB 175 (E75) 1:51 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 4490)
Tue-Fri 05:17 Boston Logan (BOS) B 06:59 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 6608 Non-stop Airbus A319 (319) 1:42 Effective 2026-04-07 through 2026-04-10
Codeshare flight, operated by American Airlines.(AA 2159)
Sun 11:28 Boston Logan (BOS) B 13:18 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 6608 Non-stop Embraer EMB 175 (E75) 1:50 Operates only on 2026-01-04
Codeshare flight, operated by American Airlines.(AA 4776)
Mon-Fri 11:36 Boston Logan (BOS) B 13:27 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 6608 Non-stop Embraer EMB 175 (E75) 1:51 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 4776)
Sat 11:36 Boston Logan (BOS) B 13:27 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 6614 Non-stop Embraer EMB 175 (E75) 1:51 Valid until 2026-01-03
Codeshare flight, operated by American Airlines.(AA 4776)




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Alaska Airlines flights from Boston Logan (BOS) to Ronald Reagan Washington (DCA).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4070
12:15
Boston Logan (BOS) B

13:55
Ronald Reagan Washington (DCA) 2
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1586)
Duration: 1:40, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4070
13:50
Boston Logan (BOS) B

15:48
Ronald Reagan Washington (DCA) 2
Effective 2026-03-14 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4794)
Duration: 1:58, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4209
13:40
Boston Logan (BOS) B

15:30
Ronald Reagan Washington (DCA) 2
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3207)
Duration: 1:50, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4248
12:00
Boston Logan (BOS) B

13:41
Ronald Reagan Washington (DCA) 2
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1893)
Duration: 1:41, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4269
13:40
Boston Logan (BOS) B

15:43
Ronald Reagan Washington (DCA) 2
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4604)
Duration: 2:03, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4269
13:44
Boston Logan (BOS) B

15:42
Ronald Reagan Washington (DCA) 2
Effective 2026-03-09 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4794)
Duration: 1:58, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4269
13:45
Boston Logan (BOS) B

15:41
Ronald Reagan Washington (DCA) 2
Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2570)
Duration: 1:56, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4269
13:55
Boston Logan (BOS) B

15:58
Ronald Reagan Washington (DCA) 2
Effective 2026-02-12 through 2026-02-13
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4604)
Duration: 2:03, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4269
13:55
Boston Logan (BOS) B

15:51
Ronald Reagan Washington (DCA) 2
Operates only on 2026-02-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2434)
Duration: 1:56, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4269
13:55
Boston Logan (BOS) B

15:42
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 2570)
Duration: 1:47, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4435
05:17
Boston Logan (BOS) B

06:59
Ronald Reagan Washington (DCA) 2
Effective 2026-04-11 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2159)
Duration: 1:42, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4535
13:40
Boston Logan (BOS) B

15:43
Ronald Reagan Washington (DCA) 2
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4604)
Duration: 2:03, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4535
13:55
Boston Logan (BOS) B

15:58
Ronald Reagan Washington (DCA) 2
Effective 2026-02-16 through 2026-02-26
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4604)
Duration: 2:03, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4535
13:55
Boston Logan (BOS) B

15:58
Ronald Reagan Washington (DCA) 2
Effective 2026-02-27 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4604)
Duration: 2:03, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4538
12:00
Boston Logan (BOS) B

13:42
Ronald Reagan Washington (DCA) 2
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1556)
Duration: 1:42, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4538
12:05
Boston Logan (BOS) B

13:49
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 2134)
Duration: 1:44, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4538
12:15
Boston Logan (BOS) B

13:54
Ronald Reagan Washington (DCA) 2
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2134)
Duration: 1:39, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4538
12:33
Boston Logan (BOS) B

14:24
Ronald Reagan Washington (DCA) 2
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4490)
Duration: 1:51, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS6608
05:17
Boston Logan (BOS) B

06:59
Ronald Reagan Washington (DCA) 2
Effective 2026-04-07 through 2026-04-10
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2159)
Duration: 1:42, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS6608
11:28
Boston Logan (BOS) B

13:18
Ronald Reagan Washington (DCA) 2
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4776)
Duration: 1:50, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS6608
11:36
Boston Logan (BOS) B

13:27
Ronald Reagan Washington (DCA) 2
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4776)
Duration: 1:51, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS6614
11:36
Boston Logan (BOS) B

13:27
Ronald Reagan Washington (DCA) 2
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4776)
Duration: 1:51, 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 2:03.
All BOS-DCA flights
All Alaska Airlines flights
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