Alaska Airlines flights from Philadelphia (PHL) to Ronald Reagan Washington (DCA).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 10:30 Philadelphia (PHL) F 11:33 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4159 Non-stop Canadair CRJ 900 (CR9) 1:03 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 5019)
Mon,Tue,Sun 10:34 Philadelphia (PHL) 11:40 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4159 Non-stop Embraer EMB 175 (E75) 1:06 Effective 2026-04-12 through 2026-04-14
Codeshare flight, operated by American Airlines.(AA 4340)
Sat 10:34 Philadelphia (PHL) 11:40 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4318 Non-stop Embraer EMB 175 (E75) 1:06 Operates only on 2026-04-11
Codeshare flight, operated by American Airlines.(AA 4340)
Daily 05:53 Philadelphia (PHL) F 06:59 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4383 Non-stop Canadair CRJ 900 (CR9) 1:06 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 5636)
Daily 06:00 Philadelphia (PHL) F 07:00 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4383 Non-stop Canadair CRJ 900 (CR9) 1:00 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 5636)
Tue-Fri 10:34 Philadelphia (PHL) 11:40 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4383 Non-stop Embraer EMB 175 (E75) 1:06 Effective 2026-04-07 through 2026-04-10
Codeshare flight, operated by American Airlines.(AA 4340)
Daily 10:34 Philadelphia (PHL) 11:40 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4383 Non-stop Embraer EMB 175 (E75) 1:06 Effective 2026-04-15 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 4340)
Sun 14:44 Philadelphia (PHL) F 15:58 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4621 Non-stop Canadair CRJ 900 (CR9) 1:14 Effective 2026-02-15 through 2026-03-01
Codeshare flight, operated by American Airlines.(AA 5312)
Sun 14:39 Philadelphia (PHL) F 16:00 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4659 Non-stop Canadair CRJ 700 (CR7) 1:21 Effective 2026-03-08 through 2026-04-05
Codeshare flight, operated by American Airlines.(AA 5312)
Mon-Fri 15:14 Philadelphia (PHL) F 16:25 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4659 Non-stop Canadair CRJ 900 (CR9) 1:11 Effective 2026-03-18 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 5312)
Sat 15:18 Philadelphia (PHL) F 16:29 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4659 Non-stop Canadair CRJ 900 (CR9) 1:11 Effective 2026-03-21 through 2026-04-04
Codeshare flight, operated by American Airlines.(AA 5312)
Daily 10:26 Philadelphia (PHL) F 11:32 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4774 Non-stop Canadair CRJ 900 (CR9) 1:06 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 5406)
Daily 10:30 Philadelphia (PHL) F 11:42 Ronald Reagan Washington (DCA) 2
Alaska Airlines AS 4774 Non-stop Canadair CRJ 900 (CR9) 1:12 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 5406)




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Alaska Airlines flights from Philadelphia (PHL) to Ronald Reagan Washington (DCA).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4159
10:30
Philadelphia (PHL) F

11:33
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 5019)
Duration: 1:03, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
Alaska Airlines AS4159
10:34
Philadelphia (PHL)

11:40
Ronald Reagan Washington (DCA) 2
Effective 2026-04-12 through 2026-04-14
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4340)
Duration: 1:06, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4318
10:34
Philadelphia (PHL)

11:40
Ronald Reagan Washington (DCA) 2
Operates only on 2026-04-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4340)
Duration: 1:06, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4383
05:53
Philadelphia (PHL) F

06:59
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 5636)
Duration: 1:06, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
Alaska Airlines AS4383
06:00
Philadelphia (PHL) F

07:00
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 5636)
Duration: 1:00, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
Alaska Airlines AS4383
10:34
Philadelphia (PHL)

11:40
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 4340)
Duration: 1:06, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4383
10:34
Philadelphia (PHL)

11:40
Ronald Reagan Washington (DCA) 2
Effective 2026-04-15 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4340)
Duration: 1:06, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4621
14:44
Philadelphia (PHL) F

15:58
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 5312)
Duration: 1:14, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
Alaska Airlines AS4659
14:39
Philadelphia (PHL) F

16:00
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 5312)
Duration: 1:21, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4659
15:14
Philadelphia (PHL) F

16:25
Ronald Reagan Washington (DCA) 2
Effective 2026-03-18 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 5312)
Duration: 1:11, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
Alaska Airlines AS4659
15:18
Philadelphia (PHL) F

16:29
Ronald Reagan Washington (DCA) 2
Effective 2026-03-21 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 5312)
Duration: 1:11, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
Alaska Airlines AS4774
10:26
Philadelphia (PHL) F

11:32
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 5406)
Duration: 1:06, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
Alaska Airlines AS4774
10:30
Philadelphia (PHL) F

11:42
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 5406)
Duration: 1:12, non-stop
Canadair CRJ 900 (CR9)
  • A domestic route departing from the Philadelphia airport (PHL) and arriving at Ronald Reagan Washington airport (DCA).
  • The flight distance is 119 miles, or 191 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 1:00 and 1:21.
All PHL-DCA flights
All Alaska Airlines flights
Return (DCA-PHL) flights
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