American Airlines flight AA 4276: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue 06:30 Lexington (LEX) 07:17 Chicago O'Hare (ORD) 3
AA 4276 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:47 Operates only on 2026-01-06
Mon-Fri 06:40 Lexington (LEX) 07:19 Chicago O'Hare (ORD) 3
AA 4276 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:39 Effective 2026-02-13 through 2026-03-06
Mon-Fri 06:40 Lexington (LEX) 07:21 Chicago O'Hare (ORD) 3
AA 4276 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:41 Effective 2026-03-09 through 2026-04-06
Daily 06:54 Lexington (LEX) 07:30 Chicago O'Hare (ORD) 3
AA 4276 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:36 Effective 2026-04-07 through 2026-05-20
Sun 07:23 Lexington (LEX) 08:02 Chicago O'Hare (ORD) 3
AA 4276 Non-stop Embraer EMB 175 (E75) 1:39 Operates only on 2026-02-15
Sun 07:38 Lexington (LEX) 08:17 Chicago O'Hare (ORD) 3
AA 4276 Non-stop Embraer EMB 175 (E75) 1:39 Effective 2026-02-22 through 2026-03-01
Sun 08:00 Lexington (LEX) 08:47 Chicago O'Hare (ORD) 3
AA 4276 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:47 Operates only on 2026-01-11
Sun 08:00 Lexington (LEX) 08:47 Chicago O'Hare (ORD) 3
AA 4276 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:47 Effective 2026-01-25 through 2026-02-08
Mon-Fri,Sun 08:04 Lexington (LEX) 08:44 Chicago O'Hare (ORD) 3
AA 4276 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:40 Valid until 2026-01-05
Sun 08:14 Lexington (LEX) 08:55 Chicago O'Hare (ORD) 3
AA 4276 Non-stop Embraer EMB 175 (E75) 1:41 Effective 2026-03-08 through 2026-04-05
Sun 10:00 Lexington (LEX) 10:47 Chicago O'Hare (ORD) 3
AA 4276 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:47 Operates only on 2026-01-18
Daily 14:03 Ronald Reagan Washington (DCA) 2 15:00 Nashville (BNA)
AA 4276 Non-stop Embraer EMB 175 (E75) 1:57 Effective 2026-08-05 through 2026-09-08
Daily 15:30 Nashville (BNA) 18:16 Ronald Reagan Washington (DCA) 2
AA 4276 Non-stop Embraer EMB 175 (E75) 1:46 Effective 2026-08-05 through 2026-09-08
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This flight number is listed as serving the following routes:


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American Airlines flight AA 4276: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4276
06:30
Lexington (LEX)

07:17
Chicago O'Hare (ORD) 3
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:47, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4276
06:40
Lexington (LEX)

07:19
Chicago O'Hare (ORD) 3
Effective 2026-02-13 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:39, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4276
06:40
Lexington (LEX)

07:21
Chicago O'Hare (ORD) 3
Effective 2026-03-09 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:41, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4276
06:54
Lexington (LEX)

07:30
Chicago O'Hare (ORD) 3
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:36, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4276
07:23
Lexington (LEX)

08:02
Chicago O'Hare (ORD) 3
Operates only on 2026-02-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:39, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4276
07:38
Lexington (LEX)

08:17
Chicago O'Hare (ORD) 3
Effective 2026-02-22 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:39, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4276
08:00
Lexington (LEX)

08:47
Chicago O'Hare (ORD) 3
Operates only on 2026-01-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:47, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4276
08:00
Lexington (LEX)

08:47
Chicago O'Hare (ORD) 3
Effective 2026-01-25 through 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:47, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4276
08:04
Lexington (LEX)

08:44
Chicago O'Hare (ORD) 3
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:40, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4276
08:14
Lexington (LEX)

08:55
Chicago O'Hare (ORD) 3
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:41, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4276
10:00
Lexington (LEX)

10:47
Chicago O'Hare (ORD) 3
Operates only on 2026-01-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:47, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4276
14:03
Ronald Reagan Washington (DCA) 2

15:00
Nashville (BNA)
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:57, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4276
15:30
Nashville (BNA)

18:16
Ronald Reagan Washington (DCA) 2
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:46, non-stop
Embraer EMB 175 (E75)
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Parallax here -
This flight number is listed as serving the following routes:
  • Lexington (LEX) - Chicago O'Hare (ORD)
  • Nashville (BNA) - Ronald Reagan Washington (DCA)
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