American Airlines flight AA 4584: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon-Fri 06:10 Ronald Reagan Washington (DCA) 2 09:06 Houston George Bush (IAH) A
AA 4584 Non-stop Embraer EMB 175 (E75) 3:56 Effective 2026-02-13 through 2026-03-06
Mon-Fri 06:40 Ronald Reagan Washington (DCA) 2 09:33 Houston George Bush (IAH) A
AA 4584 Non-stop Embraer EMB 175 (E75) 3:53 Effective 2026-03-09 through 2026-04-06
Thu 06:45 Ronald Reagan Washington (DCA) 2 09:38 Houston George Bush (IAH) A
AA 4584 Non-stop Embraer EMB 175 (E75) 3:53 Operates only on 2026-02-12
Mon-Fri 06:59 Ronald Reagan Washington (DCA) 2 09:50 Houston George Bush (IAH) A
AA 4584 Non-stop Embraer EMB 175 (E75) 3:51 Effective 2026-01-06 through 2026-02-11
Daily 06:59 Ronald Reagan Washington (DCA) 2 09:11 Houston George Bush (IAH) A
AA 4584 Non-stop Embraer EMB 175 (E75) 3:12 Effective 2026-04-07 through 2026-08-04
Sun 07:00 Ronald Reagan Washington (DCA) 2 09:50 Houston George Bush (IAH) A
AA 4584 Non-stop Embraer EMB 175 (E75) 3:50 Effective 2026-01-11 through 2026-02-08
Daily 09:20 New York LaGuardia (LGA) B 10:54 Richmond (RIC)
AA 4584 Non-stop Embraer EMB 175 (E75) 1:34 Effective 2026-08-05 through 2026-09-08
Mon-Fri,Sun 09:38 Houston George Bush (IAH) A 13:44 Ronald Reagan Washington (DCA) 2
AA 4584 Non-stop Embraer EMB 175 (E75) 3:06 Effective 2026-02-13 through 2026-03-06
Daily 10:00 Ronald Reagan Washington (DCA) 2 11:22 Buffalo (BUF)
AA 4584 Non-stop Embraer EMB 175 (E75) 1:22 Effective from 2026-10-05
Mon-Fri,Sun 10:03 Houston George Bush (IAH) A 14:15 Ronald Reagan Washington (DCA) 2
AA 4584 Non-stop Embraer EMB 175 (E75) 3:12 Effective 2026-03-08 through 2026-04-06
Thu 10:08 Houston George Bush (IAH) A 14:14 Ronald Reagan Washington (DCA) 2
AA 4584 Non-stop Embraer EMB 175 (E75) 3:06 Operates only on 2026-02-12
Daily 10:09 Houston George Bush (IAH) A 14:15 Ronald Reagan Washington (DCA) 2
AA 4584 Non-stop Embraer EMB 175 (E75) 3:06 Effective 2026-04-07 through 2026-08-04
Mon-Fri,Sun 10:20 Houston George Bush (IAH) A 14:19 Ronald Reagan Washington (DCA) 2
AA 4584 Non-stop Embraer EMB 175 (E75) 2:59 Effective 2026-01-06 through 2026-02-11
Daily 11:24 Richmond (RIC) 12:41 New York LaGuardia (LGA) B
AA 4584 Non-stop Embraer EMB 175 (E75) 1:17 Effective 2026-08-05 through 2026-09-08
Daily 11:57 Buffalo (BUF) 13:14 Ronald Reagan Washington (DCA) 2
AA 4584 Non-stop Embraer EMB 175 (E75) 1:17 Effective from 2026-10-05
Daily 15:35 Philadelphia (PHL) 17:15 Toronto Pearson (YYZ) 3
AA 4584 Non-stop Embraer EMB 175 (E75) 1:40 Effective 2026-09-09 through 2026-10-04
Daily 17:50 Toronto Pearson (YYZ) 3 19:35 Philadelphia (PHL)
AA 4584 Non-stop Embraer EMB 175 (E75) 1:45 Effective 2026-09-09 through 2026-10-04
Mon,Tue,Thu-Sat 20:54 Chicago O'Hare (ORD) 3 23:59 Harrisburg (MDT)
AA 4584 Non-stop Embraer EMB 175 (E75) 2:05 Valid until 2026-01-03
Sun 21:15 Chicago O'Hare (ORD) 3 00:21 Harrisburg (MDT)
AA 4584 Non-stop Embraer EMB 175 (E75) 2:06 Operates only on 2026-01-04
The flight arrives 1 day after departure.
This flight number is listed as serving the following routes:


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American Airlines flight AA 4584: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4584
06:10
Ronald Reagan Washington (DCA) 2

09:06
Houston George Bush (IAH) A
Effective 2026-02-13 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:56, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4584
06:40
Ronald Reagan Washington (DCA) 2

09:33
Houston George Bush (IAH) A
Effective 2026-03-09 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:53, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4584
06:45
Ronald Reagan Washington (DCA) 2

09:38
Houston George Bush (IAH) A
Operates only on 2026-02-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:53, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4584
06:59
Ronald Reagan Washington (DCA) 2

09:50
Houston George Bush (IAH) A
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:51, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4584
06:59
Ronald Reagan Washington (DCA) 2

09:11
Houston George Bush (IAH) A
Effective 2026-04-07 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:12, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4584
07:00
Ronald Reagan Washington (DCA) 2

09:50
Houston George Bush (IAH) A
Effective 2026-01-11 through 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:50, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4584
09:20
New York LaGuardia (LGA) B

10:54
Richmond (RIC)
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:34, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4584
09:38
Houston George Bush (IAH) A

13:44
Ronald Reagan Washington (DCA) 2
Effective 2026-02-13 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:06, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4584
10:00
Ronald Reagan Washington (DCA) 2

11:22
Buffalo (BUF)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:22, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4584
10:03
Houston George Bush (IAH) A

14:15
Ronald Reagan Washington (DCA) 2
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:12, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4584
10:08
Houston George Bush (IAH) A

14:14
Ronald Reagan Washington (DCA) 2
Operates only on 2026-02-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:06, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4584
10:09
Houston George Bush (IAH) A

14:15
Ronald Reagan Washington (DCA) 2
Effective 2026-04-07 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:06, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4584
10:20
Houston George Bush (IAH) A

14:19
Ronald Reagan Washington (DCA) 2
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:59, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4584
11:24
Richmond (RIC)

12:41
New York LaGuardia (LGA) B
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:17, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4584
11:57
Buffalo (BUF)

13:14
Ronald Reagan Washington (DCA) 2
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:17, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4584
15:35
Philadelphia (PHL)

17:15
Toronto Pearson (YYZ) 3
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4584
17:50
Toronto Pearson (YYZ) 3

19:35
Philadelphia (PHL)
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4584
20:54
Chicago O'Hare (ORD) 3

23:59
Harrisburg (MDT)
Valid until 2026-01-03
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 2:05, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4584
21:15
Chicago O'Hare (ORD) 3

00:21(+1)
Harrisburg (MDT)
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:06, non-stop
Embraer EMB 175 (E75)
The flight arrives 1 day after departure.
This flight number is listed as serving the following routes:
  • Buffalo (BUF) - Ronald Reagan Washington (DCA)
  • Chicago O'Hare (ORD) - Harrisburg (MDT)
  • Houston George Bush (IAH) - Ronald Reagan Washington (DCA)
  • Philadelphia (PHL) - Toronto Pearson (YYZ)
  • Richmond (RIC) - New York LaGuardia (LGA)
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