American Airlines flight AA 3778: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Thu 05:20 Buffalo (BUF) 06:16 Chicago O'Hare (ORD) 3
AA 3778 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:56 Operates only on 2025-06-05
Mon 07:05 Dallas Fort Worth (DFW) 10:40 Columbia (CAE)
AA 3778 Non-stop Embraer EMB 175 (E75) 2:35 Operates only on 2025-05-05
Daily 07:20 Manchester (MHT) 09:04 Chicago O'Hare (ORD) 3
AA 3778 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:44 Effective 2025-05-06 through 2025-06-04
Daily 08:07 Dallas Fort Worth (DFW) 09:50 Brownsville (BRO)
AA 3778 Non-stop Embraer EMB 175 (E75) 1:43 Effective 2025-10-26 through 2025-11-01
Daily 08:08 Dallas Fort Worth (DFW) 09:49 Brownsville (BRO)
AA 3778 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:41 Effective 2025-11-02 through 2025-12-02
Daily 08:08 Dallas Fort Worth (DFW) 09:55 Brownsville (BRO)
AA 3778 Non-stop Embraer EMB 175 (E75) 1:47 Effective 2025-12-03 through 2025-12-17
Daily 08:08 Dallas Fort Worth (DFW) 09:53 Brownsville (BRO)
AA 3778 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:45 Effective 2025-12-18 through 2026-01-05
Daily 08:08 Dallas Fort Worth (DFW) 09:53 Brownsville (BRO)
AA 3778 Non-stop Embraer EMB 175 (E75) 1:45 Effective 2026-01-06 through 2026-02-11
Daily 08:08 Dallas Fort Worth (DFW) 09:54 Brownsville (BRO)
AA 3778 Non-stop Embraer EMB 175 (E75) 1:46 Effective from 2026-02-12
Sat 11:28 Greenville/Spartanburg (GSP) 13:00 Ronald Reagan Washington (DCA) 2
AA 3778 Non-stop Embraer EMB 175 (E75) 1:32 Effective 2025-07-05 through 2025-08-02
Sat 12:35 Loreto (LTO) 17:05 Dallas Fort Worth (DFW)
AA 3778 Non-stop Embraer EMB 175 (E75) 2:30 Effective 2025-10-11 through 2025-10-25
Daily 14:25 Miami (MIA) 16:48 San Antonio (SAT)
AA 3778 Non-stop Embraer EMB 175 (E75) 3:23 Valid until 2025-05-04
Daily 17:18 San Antonio (SAT) 21:01 Miami (MIA)
AA 3778 Non-stop Embraer EMB 175 (E75) 2:43 Valid until 2025-05-04
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This flight number is listed as serving the following routes:


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American Airlines flight AA 3778: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA3778
05:20
Buffalo (BUF)

06:16
Chicago O'Hare (ORD) 3
Operates only on 2025-06-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:56, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3778
07:05
Dallas Fort Worth (DFW)

10:40
Columbia (CAE)
Operates only on 2025-05-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Embraer EMB 175 (E75)
American Airlines AA3778
07:20
Manchester (MHT)

09:04
Chicago O'Hare (ORD) 3
Effective 2025-05-06 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:44, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3778
08:07
Dallas Fort Worth (DFW)

09:50
Brownsville (BRO)
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Embraer EMB 175 (E75)
American Airlines AA3778
08:08
Dallas Fort Worth (DFW)

09:49
Brownsville (BRO)
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:41, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3778
08:08
Dallas Fort Worth (DFW)

09:55
Brownsville (BRO)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:47, non-stop
Embraer EMB 175 (E75)
American Airlines AA3778
08:08
Dallas Fort Worth (DFW)

09:53
Brownsville (BRO)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3778
08:08
Dallas Fort Worth (DFW)

09:53
Brownsville (BRO)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Embraer EMB 175 (E75)
American Airlines AA3778
08:08
Dallas Fort Worth (DFW)

09:54
Brownsville (BRO)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:46, non-stop
Embraer EMB 175 (E75)
American Airlines AA3778
11:28
Greenville/Spartanburg (GSP)

13:00
Ronald Reagan Washington (DCA) 2
Effective 2025-07-05 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:32, non-stop
Embraer EMB 175 (E75)
American Airlines AA3778
12:35
Loreto (LTO)

17:05
Dallas Fort Worth (DFW)
Effective 2025-10-11 through 2025-10-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:30, non-stop
Embraer EMB 175 (E75)
American Airlines AA3778
14:25
Miami (MIA)

16:48
San Antonio (SAT)
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:23, non-stop
Embraer EMB 175 (E75)
American Airlines AA3778
17:18
San Antonio (SAT)

21:01
Miami (MIA)
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:43, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Buffalo (BUF) - Chicago O'Hare (ORD)
  • Dallas Fort Worth (DFW) - Brownsville (BRO)
  • Dallas Fort Worth (DFW) - Columbia (CAE)
  • Greenville/Spartanburg (GSP) - Ronald Reagan Washington (DCA)
  • Loreto (LTO) - Dallas Fort Worth (DFW)
  • Manchester (MHT) - Chicago O'Hare (ORD)
  • San Antonio (SAT) - Miami (MIA)
All American Airlines flights
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