American Airlines flight AA 4678: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sun 11:27 Pittsburgh (PIT) 12:25 Chicago O'Hare (ORD) 3
AA 4678 Non-stop Embraer EMB 175 (E75) 1:58 Effective 2026-02-22 through 2026-03-01
Mon,Thu-Sat 11:43 Pittsburgh (PIT) 12:41 Chicago O'Hare (ORD) 3
AA 4678 Non-stop Embraer EMB 175 (E75) 1:58 Effective 2026-02-12 through 2026-03-07
Tue,Wed 12:00 Pittsburgh (PIT) 12:58 Chicago O'Hare (ORD) 3
AA 4678 Non-stop Embraer EMB 175 (E75) 1:58 Effective 2026-02-17 through 2026-03-04
Sun 12:45 Pittsburgh (PIT) 13:43 Chicago O'Hare (ORD) 3
AA 4678 Non-stop Embraer EMB 175 (E75) 1:58 Operates only on 2026-02-15
Mon,Tue,Thu,Sat,Sun 13:07 Pittsburgh (PIT) 14:04 Chicago O'Hare (ORD) 3
AA 4678 Non-stop Embraer EMB 175 (E75) 1:57 Valid until 2026-01-05
Fri 13:13 Pittsburgh (PIT) 14:10 Chicago O'Hare (ORD) 3
AA 4678 Non-stop Embraer EMB 175 (E75) 1:57 Operates only on 2026-01-02
Daily 14:15 New York LaGuardia (LGA) B 16:49 Tulsa (TUL)
AA 4678 Non-stop Embraer EMB 170 / EMB 175 (E70) 3:34 Effective from 2026-10-05
Daily 14:54 Ronald Reagan Washington (DCA) 2 16:44 Savannah (SAV)
AA 4678 Non-stop Embraer EMB 175 (E75) 1:50 Effective 2026-09-09 through 2026-10-04
Daily 16:55 Nashville (BNA) 20:16 New York LaGuardia (LGA) B
AA 4678 Non-stop Embraer EMB 175 (E75) 2:21 Effective 2026-04-07 through 2026-05-06
Daily 17:05 Savannah (SAV) 18:54 Ronald Reagan Washington (DCA) 2
AA 4678 Non-stop Embraer EMB 175 (E75) 1:49 Effective 2026-09-09 through 2026-10-04
Daily 17:19 Tulsa (TUL) 21:29 New York LaGuardia (LGA) B
AA 4678 Non-stop Embraer EMB 170 / EMB 175 (E70) 3:10 Effective from 2026-10-05
Fri 19:54 Ronald Reagan Washington (DCA) 2 21:47 Jackson (JAN)
AA 4678 Non-stop Embraer EMB 175 (E75) 2:53 Effective 2026-03-13 through 2026-04-03
Daily 21:30 New York John F. Kennedy (JFK) 8 23:19 Nashville (BNA)
AA 4678 Non-stop Embraer EMB 175 (E75) 2:49 Effective 2026-01-06 through 2026-02-10
Wed 21:40 New York John F. Kennedy (JFK) 8 23:29 Nashville (BNA)
AA 4678 Non-stop Embraer EMB 175 (E75) 2:49 Operates only on 2026-02-11
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This flight number is listed as serving the following routes:


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American Airlines flight AA 4678: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4678
11:27
Pittsburgh (PIT)

12:25
Chicago O'Hare (ORD) 3
Effective 2026-02-22 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:58, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4678
11:43
Pittsburgh (PIT)

12:41
Chicago O'Hare (ORD) 3
Effective 2026-02-12 through 2026-03-07
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 1:58, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4678
12:00
Pittsburgh (PIT)

12:58
Chicago O'Hare (ORD) 3
Effective 2026-02-17 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:58, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4678
12:45
Pittsburgh (PIT)

13:43
Chicago O'Hare (ORD) 3
Operates only on 2026-02-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:58, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4678
13:07
Pittsburgh (PIT)

14:04
Chicago O'Hare (ORD) 3
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Duration: 1:57, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4678
13:13
Pittsburgh (PIT)

14:10
Chicago O'Hare (ORD) 3
Operates only on 2026-01-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:57, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4678
14:15
New York LaGuardia (LGA) B

16:49
Tulsa (TUL)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:34, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4678
14:54
Ronald Reagan Washington (DCA) 2

16:44
Savannah (SAV)
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:50, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4678
16:55
Nashville (BNA)

20:16
New York LaGuardia (LGA) B
Effective 2026-04-07 through 2026-05-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:21, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4678
17:05
Savannah (SAV)

18:54
Ronald Reagan Washington (DCA) 2
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:49, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4678
17:19
Tulsa (TUL)

21:29
New York LaGuardia (LGA) B
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:10, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4678
19:54
Ronald Reagan Washington (DCA) 2

21:47
Jackson (JAN)
Effective 2026-03-13 through 2026-04-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:53, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4678
21:30
New York John F. Kennedy (JFK) 8

23:19
Nashville (BNA)
Effective 2026-01-06 through 2026-02-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:49, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4678
21:40
New York John F. Kennedy (JFK) 8

23:29
Nashville (BNA)
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:49, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Nashville (BNA) - New York LaGuardia (LGA)
  • New York John F. Kennedy (JFK) - Nashville (BNA)
  • Pittsburgh (PIT) - Chicago O'Hare (ORD)
  • Ronald Reagan Washington (DCA) - Jackson (JAN)
  • Savannah (SAV) - Ronald Reagan Washington (DCA)
  • Tulsa (TUL) - New York LaGuardia (LGA)
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