American Airlines flight AA 3840: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 12:11 Mobile (MOB) 14:00 Dallas Fort Worth (DFW)
AA 3840 Non-stop Embraer EMB 175 (E75) 1:49 Effective 2025-08-06 through 2025-09-02
Daily 12:20 Oklahoma City (OKC) 12:45 Phoenix Sky Harbor (PHX) 4
AA 3840 Non-stop Embraer EMB 175 (E75) 2:25 Valid until 2025-05-04
Daily 12:25 Oklahoma City (OKC) 12:47 Phoenix Sky Harbor (PHX) 4
AA 3840 Non-stop Embraer EMB 175 (E75) 2:22 Effective 2025-05-05 through 2025-06-04
Daily 13:54 Mobile (MOB) 15:55 Dallas Fort Worth (DFW)
AA 3840 Non-stop Embraer EMB 175 (E75) 2:01 Effective 2025-10-06 through 2025-10-25
Daily 13:58 Mobile (MOB) 15:55 Dallas Fort Worth (DFW)
AA 3840 Non-stop Embraer EMB 175 (E75) 1:57 Effective 2025-09-03 through 2025-10-05
Sat 15:59 Ronald Reagan Washington (DCA) 2 17:20 Syracuse (SYR)
AA 3840 Non-stop Embraer EMB 175 (E75) 1:21 Effective 2025-06-07 through 2025-06-28
Daily 20:40 Dallas Fort Worth (DFW) 21:57 Monroe (MLU)
AA 3840 Non-stop Embraer EMB 175 (E75) 1:17 Effective 2025-11-02 through 2025-12-02
Daily 20:40 Dallas Fort Worth (DFW) 21:56 Monroe (MLU)
AA 3840 Non-stop Embraer EMB 175 (E75) 1:16 Effective 2025-12-03 through 2025-12-17
Daily 20:40 Dallas Fort Worth (DFW) 22:01 Monroe (MLU)
AA 3840 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:21 Effective 2025-12-18 through 2026-01-05
Daily 20:40 Dallas Fort Worth (DFW) 21:53 Monroe (MLU)
AA 3840 Non-stop Embraer EMB 175 (E75) 1:13 Effective 2026-01-06 through 2026-02-11
Daily 20:40 Dallas Fort Worth (DFW) 21:52 Monroe (MLU)
AA 3840 Non-stop Embraer EMB 175 (E75) 1:12 Effective from 2026-02-12
Daily 20:43 Dallas Fort Worth (DFW) 22:04 Monroe (MLU)
AA 3840 Non-stop Embraer EMB 175 (E75) 1:21 Effective 2025-10-26 through 2025-11-01
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This flight number is listed as serving the following routes:


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American Airlines flight AA 3840: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA3840
12:11
Mobile (MOB)

14:00
Dallas Fort Worth (DFW)
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:49, non-stop
Embraer EMB 175 (E75)
American Airlines AA3840
12:20
Oklahoma City (OKC)

12:45
Phoenix Sky Harbor (PHX) 4
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:25, non-stop
Embraer EMB 175 (E75)
American Airlines AA3840
12:25
Oklahoma City (OKC)

12:47
Phoenix Sky Harbor (PHX) 4
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:22, non-stop
Embraer EMB 175 (E75)
American Airlines AA3840
13:54
Mobile (MOB)

15:55
Dallas Fort Worth (DFW)
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:01, non-stop
Embraer EMB 175 (E75)
American Airlines AA3840
13:58
Mobile (MOB)

15:55
Dallas Fort Worth (DFW)
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:57, non-stop
Embraer EMB 175 (E75)
American Airlines AA3840
15:59
Ronald Reagan Washington (DCA) 2

17:20
Syracuse (SYR)
Effective 2025-06-07 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:21, non-stop
Embraer EMB 175 (E75)
American Airlines AA3840
20:40
Dallas Fort Worth (DFW)

21:57
Monroe (MLU)
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:17, non-stop
Embraer EMB 175 (E75)
American Airlines AA3840
20:40
Dallas Fort Worth (DFW)

21:56
Monroe (MLU)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:16, non-stop
Embraer EMB 175 (E75)
American Airlines AA3840
20:40
Dallas Fort Worth (DFW)

22:01
Monroe (MLU)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:21, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3840
20:40
Dallas Fort Worth (DFW)

21:53
Monroe (MLU)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:13, non-stop
Embraer EMB 175 (E75)
American Airlines AA3840
20:40
Dallas Fort Worth (DFW)

21:52
Monroe (MLU)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:12, non-stop
Embraer EMB 175 (E75)
American Airlines AA3840
20:43
Dallas Fort Worth (DFW)

22:04
Monroe (MLU)
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:21, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Dallas Fort Worth (DFW) - Monroe (MLU)
  • Mobile (MOB) - Dallas Fort Worth (DFW)
  • Oklahoma City (OKC) - Phoenix Sky Harbor (PHX)
  • Ronald Reagan Washington (DCA) - Syracuse (SYR)
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