American Airlines flight AA 4640: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 06:47 Ronald Reagan Washington (DCA) 2 07:48 Nashville (BNA)
AA 4640 Non-stop Embraer EMB 175 (E75) 2:01 Effective 2026-08-05 through 2026-09-08
Daily 11:13 Key West (EYW) 13:59 Ronald Reagan Washington (DCA) 2
AA 4640 Non-stop Embraer EMB 175 (E75) 2:46 Valid until 2026-01-05
Sun 11:54 Key West (EYW) 14:49 Ronald Reagan Washington (DCA) 2
AA 4640 Non-stop Embraer EMB 175 (E75) 2:55 Effective 2026-02-15 through 2026-03-01
Daily 13:44 Ronald Reagan Washington (DCA) 2 16:02 Oklahoma City (OKC)
AA 4640 Non-stop Embraer EMB 175 (E75) 3:18 Effective from 2026-10-05
Mon-Fri,Sun 13:59 New York LaGuardia (LGA) B 16:18 Charleston (CHS)
AA 4640 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:19 Effective 2026-03-08 through 2026-04-06
Sat 15:40 New York LaGuardia (LGA) B 18:02 Charleston (CHS)
AA 4640 Non-stop Embraer EMB 175 (E75) 2:22 Effective 2026-03-14 through 2026-04-04
Daily 16:32 Oklahoma City (OKC) 20:29 Ronald Reagan Washington (DCA) 2
AA 4640 Non-stop Embraer EMB 175 (E75) 2:57 Effective from 2026-10-05
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This flight number is listed as serving the following routes:


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American Airlines flight AA 4640: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4640
06:47
Ronald Reagan Washington (DCA) 2

07:48
Nashville (BNA)
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:01, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4640
11:13
Key West (EYW)

13:59
Ronald Reagan Washington (DCA) 2
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:46, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4640
11:54
Key West (EYW)

14:49
Ronald Reagan Washington (DCA) 2
Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4640
13:44
Ronald Reagan Washington (DCA) 2

16:02
Oklahoma City (OKC)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:18, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4640
13:59
New York LaGuardia (LGA) B

16:18
Charleston (CHS)
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:19, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4640
15:40
New York LaGuardia (LGA) B

18:02
Charleston (CHS)
Effective 2026-03-14 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:22, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4640
16:32
Oklahoma City (OKC)

20:29
Ronald Reagan Washington (DCA) 2
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:57, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Key West (EYW) - Ronald Reagan Washington (DCA)
  • New York LaGuardia (LGA) - Charleston (CHS)
  • Oklahoma City (OKC) - Ronald Reagan Washington (DCA)
  • Ronald Reagan Washington (DCA) - Nashville (BNA)
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