American Airlines flight AA 3678: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sat 09:00 Phoenix Sky Harbor (PHX) 4 10:53 Loreto (LTO)
AA 3678 Non-stop Embraer EMB 175 (E75) 1:53 Effective 2026-08-08 through 2026-09-05
Mon,Wed-Sun 10:15 Dallas Fort Worth (DFW) 11:39 Lake Charles (LCH)
AA 3678 Non-stop Embraer EMB 175 (E75) 1:24 Effective 2026-03-08 through 2026-04-06
Tue 10:21 Dallas Fort Worth (DFW) 11:45 Lake Charles (LCH)
AA 3678 Non-stop Embraer EMB 175 (E75) 1:24 Effective 2026-03-10 through 2026-03-31
Sat 11:46 Loreto (LTO) 13:30 Phoenix Sky Harbor (PHX) 4
AA 3678 Non-stop Embraer EMB 175 (E75) 1:44 Effective 2026-08-08 through 2026-09-05
Mon,Wed-Sun 12:09 Lake Charles (LCH) 13:41 Dallas Fort Worth (DFW)
AA 3678 Non-stop Embraer EMB 175 (E75) 1:32 Effective 2026-03-08 through 2026-04-06
Tue 12:17 Lake Charles (LCH) 13:49 Dallas Fort Worth (DFW)
AA 3678 Non-stop Embraer EMB 175 (E75) 1:32 Effective 2026-03-10 through 2026-03-31
Daily 12:19 Dallas Fort Worth (DFW) 13:59 Memphis (MEM)
AA 3678 Non-stop Embraer EMB 175 (E75) 1:40 Effective 2026-07-02 through 2026-08-04
Daily 12:59 Dallas Fort Worth (DFW) 14:39 Mobile (MOB)
AA 3678 Non-stop Embraer EMB 175 (E75) 1:40 Effective 2026-01-06 through 2026-02-11
Mon,Thu-Sun 13:25 Chicago O'Hare (ORD) 3 14:25 Madison (MSN)
AA 3678 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:00 Effective 2026-02-12 through 2026-03-07
Daily 13:40 Miami (MIA) 15:01 Jacksonville (JAX)
AA 3678 Non-stop Embraer EMB 175 (E75) 1:21 Effective 2026-04-07 through 2026-05-20
Daily 14:25 Dallas Fort Worth (DFW) 15:59 Memphis (MEM)
AA 3678 Non-stop Embraer EMB 175 (E75) 1:34 Effective 2026-05-21 through 2026-07-01
Mon,Thu-Sun 14:55 Madison (MSN) 16:03 Chicago O'Hare (ORD) 3
AA 3678 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:08 Effective 2026-02-12 through 2026-03-07
Daily 15:20 Mobile (MOB) 17:26 Dallas Fort Worth (DFW)
AA 3678 Non-stop Embraer EMB 175 (E75) 2:06 Effective 2026-01-06 through 2026-02-11
Daily 15:33 Jacksonville (JAX) 16:50 Miami (MIA)
AA 3678 Non-stop Embraer EMB 175 (E75) 1:17 Effective 2026-04-07 through 2026-05-20
Daily 16:23 Memphis (MEM) 18:10 Dallas Fort Worth (DFW)
AA 3678 Non-stop Embraer EMB 175 (E75) 1:47 Effective 2026-07-02 through 2026-08-04
Daily 17:10 Memphis (MEM) 18:55 Dallas Fort Worth (DFW)
AA 3678 Non-stop Embraer EMB 175 (E75) 1:45 Effective 2026-05-21 through 2026-07-01
Tue,Thu,Sat,Sun 17:19 Dallas Fort Worth (DFW) 18:57 Mobile (MOB)
AA 3678 Non-stop Embraer EMB 175 (E75) 1:38 Valid until 2026-01-04
Tue,Thu,Sat,Sun 19:29 Mobile (MOB) 21:33 Dallas Fort Worth (DFW)
AA 3678 Non-stop Embraer EMB 175 (E75) 2:04 Valid until 2026-01-04
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This flight number is listed as serving the following routes:
American Airlines flight AA 3678: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

American Airlines AA3678
Effective 2026-08-08 through 2026-09-05
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Duration: 1:53, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3678
Effective 2026-03-08 through 2026-04-06
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 1:24, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3678
Effective 2026-03-10 through 2026-03-31
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:24, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3678
Effective 2026-08-08 through 2026-09-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:44, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3678
Effective 2026-03-08 through 2026-04-06
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 1:32, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3678
Effective 2026-03-10 through 2026-03-31
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:32, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3678
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3678
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3678
Effective 2026-02-12 through 2026-03-07
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 1:00, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3678
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:21, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3678
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:34, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3678
Effective 2026-02-12 through 2026-03-07
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 1:08, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3678
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:06, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3678
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:17, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3678
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:47, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3678
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3678
Valid until 2026-01-04
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Duration: 1:38, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3678
Valid until 2026-01-04
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Duration: 2:04, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Dallas Fort Worth (DFW) - Lake Charles (LCH)
  • Dallas Fort Worth (DFW) - Mobile (MOB)
  • Loreto (LTO) - Phoenix Sky Harbor (PHX)
  • Madison (MSN) - Chicago O'Hare (ORD)
  • Memphis (MEM) - Dallas Fort Worth (DFW)
  • Miami (MIA) - Jacksonville (JAX)