American Airlines flight AA 4100: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 13:35 Austin (AUS) 14:42 Dallas Fort Worth (DFW)
AA 4100 Non-stop Embraer EMB 175 (E75) 1:07 Effective 2025-12-18 through 2026-01-05
Daily 14:10 Austin (AUS) 15:14 Dallas Fort Worth (DFW)
AA 4100 Non-stop Embraer EMB 175 (E75) 1:04 Effective from 2026-02-12
Mon-Fri,Sun 19:59 Harlingen (HRL) 21:39 Dallas Fort Worth (DFW)
AA 4100 Non-stop Embraer EMB 175 (E75) 1:40 Effective 2025-06-05 through 2025-06-30
Mon-Thu,Sun 19:59 Harlingen (HRL) 21:39 Dallas Fort Worth (DFW)
AA 4100 Non-stop Embraer EMB 175 (E75) 1:40 Effective 2025-07-02 through 2025-07-10
Mon-Fri,Sun 19:59 Harlingen (HRL) 21:39 Dallas Fort Worth (DFW)
AA 4100 Non-stop Embraer EMB 175 (E75) 1:40 Effective 2025-07-11 through 2025-08-05
Sat 20:10 Harlingen (HRL) 21:50 Dallas Fort Worth (DFW)
AA 4100 Non-stop Embraer EMB 175 (E75) 1:40 Effective 2025-06-07 through 2025-08-02
Daily 20:10 Harlingen (HRL) 21:50 Dallas Fort Worth (DFW)
AA 4100 Non-stop Embraer EMB 175 (E75) 1:40 Effective 2025-09-03 through 2025-10-05
Daily 20:11 Harlingen (HRL) 21:50 Dallas Fort Worth (DFW)
AA 4100 Non-stop Embraer EMB 175 (E75) 1:39 Effective 2025-10-06 through 2025-10-25
Daily 20:14 Harlingen (HRL) 21:50 Dallas Fort Worth (DFW)
AA 4100 Non-stop Embraer EMB 175 (E75) 1:36 Effective 2025-08-06 through 2025-09-02
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This flight number is listed as serving the following routes:
American Airlines flight AA 4100: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

American Airlines AA4100
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:07, non-stop
Embraer EMB 175 (E75)

American Airlines AA4100
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:04, non-stop
Embraer EMB 175 (E75)

American Airlines AA4100
Effective 2025-06-05 through 2025-06-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E75)

American Airlines AA4100
Effective 2025-07-02 through 2025-07-10
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E75)

American Airlines AA4100
Effective 2025-07-11 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E75)

American Airlines AA4100
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:40, non-stop
Embraer EMB 175 (E75)

American Airlines AA4100
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E75)

American Airlines AA4100
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:39, non-stop
Embraer EMB 175 (E75)

American Airlines AA4100
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:36, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Austin (AUS) - Dallas Fort Worth (DFW)
  • Harlingen (HRL) - Dallas Fort Worth (DFW)