American Airlines flight AA 4521: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 08:15 O'Hare, Chicago (ORD) 3 10:26 Lexington (LEX)
AA 4521 Non-stop Embraer EMB 175 (E75) 1:11 Effective 2024-04-04 through 2024-05-05
Daily 10:30 Philadelphia (PHL) 12:10 John Glenn, Columbus (CMH)
AA 4521 Non-stop Embraer EMB 175 (E75) 1:40 Effective from 2024-06-05
Daily 10:56 Lexington (LEX) 11:36 O'Hare, Chicago (ORD) 3
AA 4521 Non-stop Embraer EMB 175 (E75) 1:40 Effective 2024-04-04 through 2024-05-05
Daily 13:10 Pittsburgh (PIT) 14:22 Ronald Reagan, Washington (DCA) 2
AA 4521 Non-stop Embraer EMB 175 (E75) 1:12 Valid until 2024-01-07
Daily 13:14 Pittsburgh (PIT) 14:23 Ronald Reagan, Washington (DCA) 2
AA 4521 Non-stop Embraer EMB 175 (E75) 1:09 Effective 2024-02-15 through 2024-03-01
Mon,Sat,Sun 13:30 Pittsburgh (PIT) 14:39 Ronald Reagan, Washington (DCA) 2
AA 4521 Non-stop Embraer EMB 175 (E75) 1:09 Effective 2024-03-02 through 2024-03-04
Daily 13:41 Pittsburgh (PIT) 14:50 Ronald Reagan, Washington (DCA) 2
AA 4521 Non-stop Embraer EMB 175 (E75) 1:09 Effective 2024-03-10 through 2024-03-22
Mon-Fri,Sun 13:41 Pittsburgh (PIT) 14:50 Ronald Reagan, Washington (DCA) 2
AA 4521 Non-stop Embraer EMB 175 (E75) 1:09 Effective 2024-03-24 through 2024-04-03
Tue-Sat 13:42 Pittsburgh (PIT) 14:51 Ronald Reagan, Washington (DCA) 2
AA 4521 Non-stop Embraer EMB 175 (E75) 1:09 Effective 2024-03-05 through 2024-03-09
Mon-Fri 13:50 Pittsburgh (PIT) 14:59 Ronald Reagan, Washington (DCA) 2
AA 4521 Non-stop Embraer EMB 175 (E75) 1:09 Effective 2024-01-08 through 2024-02-14
Sun 13:51 Pittsburgh (PIT) 15:00 Ronald Reagan, Washington (DCA) 2
AA 4521 Non-stop Embraer EMB 175 (E75) 1:09 Effective 2024-01-14 through 2024-02-11
Daily 16:20 John Glenn, Columbus (CMH) 17:50 Philadelphia (PHL)
AA 4521 Non-stop Embraer EMB 175 (E75) 1:30 Effective from 2024-06-05
This flight number is listed as serving the following routes:


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American Airlines flight AA 4521: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4521
08:15
O'Hare, Chicago (ORD) 3

10:26
Lexington (LEX)
Effective 2024-04-04 through 2024-05-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:11, non-stop
Embraer EMB 175 (E75)
American Airlines AA4521
10:30
Philadelphia (PHL)

12:10
John Glenn, Columbus (CMH)
Effective from 2024-06-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E75)
American Airlines AA4521
10:56
Lexington (LEX)

11:36
O'Hare, Chicago (ORD) 3
Effective 2024-04-04 through 2024-05-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E75)
American Airlines AA4521
13:10
Pittsburgh (PIT)

14:22
Ronald Reagan, Washington (DCA) 2
Valid until 2024-01-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:12, non-stop
Embraer EMB 175 (E75)
American Airlines AA4521
13:14
Pittsburgh (PIT)

14:23
Ronald Reagan, Washington (DCA) 2
Effective 2024-02-15 through 2024-03-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:09, non-stop
Embraer EMB 175 (E75)
American Airlines AA4521
13:30
Pittsburgh (PIT)

14:39
Ronald Reagan, Washington (DCA) 2
Effective 2024-03-02 through 2024-03-04
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 1:09, non-stop
Embraer EMB 175 (E75)
American Airlines AA4521
13:41
Pittsburgh (PIT)

14:50
Ronald Reagan, Washington (DCA) 2
Effective 2024-03-10 through 2024-03-22
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:09, non-stop
Embraer EMB 175 (E75)
American Airlines AA4521
13:41
Pittsburgh (PIT)

14:50
Ronald Reagan, Washington (DCA) 2
Effective 2024-03-24 through 2024-04-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:09, non-stop
Embraer EMB 175 (E75)
American Airlines AA4521
13:42
Pittsburgh (PIT)

14:51
Ronald Reagan, Washington (DCA) 2
Effective 2024-03-05 through 2024-03-09
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:09, non-stop
Embraer EMB 175 (E75)
American Airlines AA4521
13:50
Pittsburgh (PIT)

14:59
Ronald Reagan, Washington (DCA) 2
Effective 2024-01-08 through 2024-02-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:09, non-stop
Embraer EMB 175 (E75)
American Airlines AA4521
13:51
Pittsburgh (PIT)

15:00
Ronald Reagan, Washington (DCA) 2
Effective 2024-01-14 through 2024-02-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:09, non-stop
Embraer EMB 175 (E75)
American Airlines AA4521
16:20
John Glenn, Columbus (CMH)

17:50
Philadelphia (PHL)
Effective from 2024-06-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:30, non-stop
Embraer EMB 175 (E75)
This flight number is listed as serving the following routes:
  • John Glenn, Columbus (CMH) - Philadelphia (PHL)
  • Lexington (LEX) - O'Hare, Chicago (ORD)
  • Pittsburgh (PIT) - Ronald Reagan, Washington (DCA)
All American Airlines flights
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