American Airlines flight AA 3678: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 13:10 Chicago O'Hare (ORD) 3 14:05 Madison (MSN)
AA 3678 Non-stop Embraer EMB 170 / EMB 175 (E70) 0:55 Effective from 2026-02-12
Tue,Sat 13:29 Chicago O'Hare (ORD) 3 15:07 Omaha (OMA)
AA 3678 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:38 Valid until 2025-05-03
Daily 14:25 Dallas Fort Worth (DFW) 16:08 Mobile (MOB)
AA 3678 Non-stop Embraer EMB 175 (E75) 1:43 Effective 2025-08-06 through 2025-09-02
Daily 14:25 Dallas Fort Worth (DFW) 16:07 Mobile (MOB)
AA 3678 Non-stop Embraer EMB 175 (E75) 1:42 Effective 2025-09-03 through 2025-10-05
Daily 14:25 Dallas Fort Worth (DFW) 16:04 Mobile (MOB)
AA 3678 Non-stop Embraer EMB 175 (E75) 1:39 Effective 2025-10-06 through 2025-11-01
Daily 14:25 Dallas Fort Worth (DFW) 16:03 Mobile (MOB)
AA 3678 Non-stop Embraer EMB 175 (E75) 1:38 Effective 2025-11-02 through 2025-12-17
Daily 14:25 Dallas Fort Worth (DFW) 16:02 Mobile (MOB)
AA 3678 Non-stop Embraer EMB 175 (E75) 1:37 Effective 2025-12-18 through 2026-02-11
Daily 15:11 Madison (MSN) 16:10 Chicago O'Hare (ORD) 3
AA 3678 Non-stop Embraer EMB 170 / EMB 175 (E70) 0:59 Effective from 2026-02-12
Daily 15:49 Dallas Fort Worth (DFW) 17:31 Mobile (MOB)
AA 3678 Non-stop Embraer EMB 175 (E75) 1:42 Effective 2025-07-05 through 2025-08-05
Daily 15:50 Dallas Fort Worth (DFW) 17:27 Mobile (MOB)
AA 3678 Non-stop Embraer EMB 175 (E75) 1:37 Effective 2025-06-05 through 2025-07-03
Mon-Fri,Sun 17:15 Chicago O'Hare (ORD) 3 18:33 Saint Louis (STL) 1
AA 3678 Non-stop Embraer EMB 175 (E75) 1:18 Effective 2025-05-05 through 2025-06-04
Sat 17:17 Chicago O'Hare (ORD) 3 18:51 Omaha (OMA)
AA 3678 Non-stop Embraer EMB 175 (E75) 1:34 Effective 2025-05-10 through 2025-05-17
Sat 17:17 Chicago O'Hare (ORD) 3 18:51 Omaha (OMA)
AA 3678 Non-stop Embraer EMB 175 (E75) 1:34 Operates only on 2025-05-31
Daily 17:54 Mobile (MOB) 20:00 Dallas Fort Worth (DFW)
AA 3678 Non-stop Embraer EMB 175 (E75) 2:06 Effective 2026-01-06 through 2026-02-11
Daily 17:55 Mobile (MOB) 20:00 Dallas Fort Worth (DFW)
AA 3678 Non-stop Embraer EMB 175 (E75) 2:05 Effective 2025-12-18 through 2026-01-05
Daily 17:58 Mobile (MOB) 20:00 Dallas Fort Worth (DFW)
AA 3678 Non-stop Embraer EMB 175 (E75) 2:02 Effective 2025-12-03 through 2025-12-17
Daily 17:59 Mobile (MOB) 20:00 Dallas Fort Worth (DFW)
AA 3678 Non-stop Embraer EMB 175 (E75) 2:01 Effective 2025-11-02 through 2025-12-02
Daily 18:02 Mobile (MOB) 20:03 Dallas Fort Worth (DFW)
AA 3678 Non-stop Embraer EMB 175 (E75) 2:01 Effective 2025-10-26 through 2025-11-01
Mon-Fri,Sun 19:30 Saint Louis (STL) 1 20:50 Chicago O'Hare (ORD) 3
AA 3678 Non-stop Embraer EMB 175 (E75) 1:20 Effective 2025-05-05 through 2025-06-04
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This flight number is listed as serving the following routes:


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American Airlines flight AA 3678: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA3678
13:10
Chicago O'Hare (ORD) 3

14:05
Madison (MSN)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:55, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3678
13:29
Chicago O'Hare (ORD) 3

15:07
Omaha (OMA)
Valid until 2025-05-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:38, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3678
14:25
Dallas Fort Worth (DFW)

16:08
Mobile (MOB)
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Embraer EMB 175 (E75)
American Airlines AA3678
14:25
Dallas Fort Worth (DFW)

16:07
Mobile (MOB)
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:42, non-stop
Embraer EMB 175 (E75)
American Airlines AA3678
14:25
Dallas Fort Worth (DFW)

16:04
Mobile (MOB)
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:39, non-stop
Embraer EMB 175 (E75)
American Airlines AA3678
14:25
Dallas Fort Worth (DFW)

16:03
Mobile (MOB)
Effective 2025-11-02 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:38, non-stop
Embraer EMB 175 (E75)
American Airlines AA3678
14:25
Dallas Fort Worth (DFW)

16:02
Mobile (MOB)
Effective 2025-12-18 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:37, non-stop
Embraer EMB 175 (E75)
American Airlines AA3678
15:11
Madison (MSN)

16:10
Chicago O'Hare (ORD) 3
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:59, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3678
15:49
Dallas Fort Worth (DFW)

17:31
Mobile (MOB)
Effective 2025-07-05 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:42, non-stop
Embraer EMB 175 (E75)
American Airlines AA3678
15:50
Dallas Fort Worth (DFW)

17:27
Mobile (MOB)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:37, non-stop
Embraer EMB 175 (E75)
American Airlines AA3678
17:15
Chicago O'Hare (ORD) 3

18:33
Saint Louis (STL) 1
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:18, non-stop
Embraer EMB 175 (E75)
American Airlines AA3678
17:17
Chicago O'Hare (ORD) 3

18:51
Omaha (OMA)
Effective 2025-05-10 through 2025-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:34, non-stop
Embraer EMB 175 (E75)
American Airlines AA3678
17:17
Chicago O'Hare (ORD) 3

18:51
Omaha (OMA)
Operates only on 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:34, non-stop
Embraer EMB 175 (E75)
American Airlines AA3678
17:54
Mobile (MOB)

20:00
Dallas Fort Worth (DFW)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:06, non-stop
Embraer EMB 175 (E75)
American Airlines AA3678
17:55
Mobile (MOB)

20:00
Dallas Fort Worth (DFW)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:05, non-stop
Embraer EMB 175 (E75)
American Airlines AA3678
17:58
Mobile (MOB)

20:00
Dallas Fort Worth (DFW)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:02, non-stop
Embraer EMB 175 (E75)
American Airlines AA3678
17:59
Mobile (MOB)

20:00
Dallas Fort Worth (DFW)
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:01, non-stop
Embraer EMB 175 (E75)
American Airlines AA3678
18:02
Mobile (MOB)

20:03
Dallas Fort Worth (DFW)
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:01, non-stop
Embraer EMB 175 (E75)
American Airlines AA3678
19:30
Saint Louis (STL) 1

20:50
Chicago O'Hare (ORD) 3
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:20, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Omaha (OMA)
  • Chicago O'Hare (ORD) - Saint Louis (STL)
  • Madison (MSN) - Chicago O'Hare (ORD)
  • Mobile (MOB) - Dallas Fort Worth (DFW)
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