American Airlines flight AA 4591: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon-Fri 06:00 Atlanta (ATL) N 08:18 New York LaGuardia (LGA) B
AA 4591 Non-stop Embraer EMB 175 (E75) 2:18 Effective 2026-07-02 through 2026-08-04
Mon-Sat 06:35 New York LaGuardia (LGA) B 08:54 Fayetteville/Springdale (XNA)
AA 4591 Non-stop Embraer EMB 175 (E75) 3:19 Effective 2026-04-07 through 2026-05-20
Daily 07:55 Madison (MSN) 11:14 New York LaGuardia (LGA) B
AA 4591 Non-stop Embraer EMB 175 (E75) 2:19 Effective 2026-05-21 through 2026-07-01
Mon-Fri,Sun 08:41 New York LaGuardia (LGA) B 10:11 Richmond (RIC)
AA 4591 Non-stop Embraer EMB 175 (E75) 1:30 Effective 2026-02-12 through 2026-03-06
Mon-Wed,Fri 08:45 New York LaGuardia (LGA) B 10:12 Richmond (RIC)
AA 4591 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:27 Valid until 2026-01-05
Mon-Fri 08:45 New York LaGuardia (LGA) B 10:18 Richmond (RIC)
AA 4591 Non-stop Embraer EMB 175 (E75) 1:33 Effective 2026-01-06 through 2026-02-11
Sat 09:02 New York LaGuardia (LGA) B 10:40 Richmond (RIC)
AA 4591 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:38 Effective 2026-01-10 through 2026-02-07
Mon-Fri,Sun 09:35 Fayetteville/Springdale (XNA) 13:38 New York LaGuardia (LGA) B
AA 4591 Non-stop Embraer EMB 175 (E75) 3:03 Effective 2026-04-07 through 2026-05-20
Mon-Fri,Sun 10:43 Richmond (RIC) 12:05 New York LaGuardia (LGA) B
AA 4591 Non-stop Embraer EMB 175 (E75) 1:22 Effective 2026-02-12 through 2026-03-06
Mon-Fri,Sun 10:47 Richmond (RIC) 12:05 New York LaGuardia (LGA) B
AA 4591 Non-stop Embraer EMB 175 (E75) 1:18 Effective 2026-03-08 through 2026-04-06
Mon-Fri,Sun 10:50 Richmond (RIC) 12:10 New York LaGuardia (LGA) B
AA 4591 Non-stop Embraer EMB 175 (E75) 1:20 Effective 2026-01-06 through 2026-02-11
Sat 11:10 Richmond (RIC) 12:32 New York LaGuardia (LGA) B
AA 4591 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:22 Effective 2026-01-10 through 2026-02-07
Mon-Wed,Fri,Sun 11:15 Richmond (RIC) 12:37 New York LaGuardia (LGA) B
AA 4591 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:22 Valid until 2026-01-05
Sat 11:22 New York LaGuardia (LGA) B 12:52 Richmond (RIC)
AA 4591 Non-stop Embraer EMB 175 (E75) 1:30 Effective 2026-02-14 through 2026-03-07
Thu 11:25 Richmond (RIC) 12:47 New York LaGuardia (LGA) B
AA 4591 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:22 Operates only on 2026-01-01
Sat 13:24 Richmond (RIC) 14:50 New York LaGuardia (LGA) B
AA 4591 Non-stop Embraer EMB 175 (E75) 1:26 Effective 2026-02-14 through 2026-03-07
Sat 13:28 Richmond (RIC) 14:50 New York LaGuardia (LGA) B
AA 4591 Non-stop Embraer EMB 175 (E75) 1:22 Effective 2026-03-14 through 2026-04-04
Daily 13:34 Chicago O'Hare (ORD) 3 16:25 Houston George Bush (IAH) A
AA 4591 Non-stop Embraer EMB 175 (E75) 2:51 Effective 2026-08-05 through 2026-09-08
Daily 16:52 Houston George Bush (IAH) A 19:50 Chicago O'Hare (ORD) 3
AA 4591 Non-stop Embraer EMB 175 (E75) 2:58 Effective from 2026-10-05
Daily 16:56 Houston George Bush (IAH) A 19:46 Chicago O'Hare (ORD) 3
AA 4591 Non-stop Embraer EMB 175 (E75) 2:50 Effective 2026-08-05 through 2026-09-08
This flight number is listed as serving the following routes:


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American Airlines flight AA 4591: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4591
06:00
Atlanta (ATL) N

08:18
New York LaGuardia (LGA) B
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:18, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4591
06:35
New York LaGuardia (LGA) B

08:54
Fayetteville/Springdale (XNA)
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 3:19, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4591
07:55
Madison (MSN)

11:14
New York LaGuardia (LGA) B
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:19, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4591
08:41
New York LaGuardia (LGA) B

10:11
Richmond (RIC)
Effective 2026-02-12 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4591
08:45
New York LaGuardia (LGA) B

10:12
Richmond (RIC)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:27, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4591
08:45
New York LaGuardia (LGA) B

10:18
Richmond (RIC)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:33, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4591
09:02
New York LaGuardia (LGA) B

10:40
Richmond (RIC)
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:38, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4591
09:35
Fayetteville/Springdale (XNA)

13:38
New York LaGuardia (LGA) B
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:03, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4591
10:43
Richmond (RIC)

12:05
New York LaGuardia (LGA) B
Effective 2026-02-12 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:22, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4591
10:47
Richmond (RIC)

12:05
New York LaGuardia (LGA) B
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:18, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4591
10:50
Richmond (RIC)

12:10
New York LaGuardia (LGA) B
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:20, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4591
11:10
Richmond (RIC)

12:32
New York LaGuardia (LGA) B
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:22, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4591
11:15
Richmond (RIC)

12:37
New York LaGuardia (LGA) B
Valid until 2026-01-05
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 1:22, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4591
11:22
New York LaGuardia (LGA) B

12:52
Richmond (RIC)
Effective 2026-02-14 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4591
11:25
Richmond (RIC)

12:47
New York LaGuardia (LGA) B
Operates only on 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:22, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4591
13:24
Richmond (RIC)

14:50
New York LaGuardia (LGA) B
Effective 2026-02-14 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:26, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4591
13:28
Richmond (RIC)

14:50
New York LaGuardia (LGA) B
Effective 2026-03-14 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:22, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4591
13:34
Chicago O'Hare (ORD) 3

16:25
Houston George Bush (IAH) A
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:51, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4591
16:52
Houston George Bush (IAH) A

19:50
Chicago O'Hare (ORD) 3
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:58, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4591
16:56
Houston George Bush (IAH) A

19:46
Chicago O'Hare (ORD) 3
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:50, non-stop
Embraer EMB 175 (E75)
This flight number is listed as serving the following routes:
  • Atlanta (ATL) - New York LaGuardia (LGA)
  • Chicago O'Hare (ORD) - Houston George Bush (IAH)
  • Madison (MSN) - New York LaGuardia (LGA)
  • New York LaGuardia (LGA) - Fayetteville/Springdale (XNA)
  • Richmond (RIC) - New York LaGuardia (LGA)
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