American Airlines
flight
AA 4278:
Multiple routes
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FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4278
Valid until 2026-01-03
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: 2:59, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4278
Effective 2026-02-14 through 2026-04-04
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: 2:53, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4278
Effective 2026-01-10 through 2026-02-07
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: 2:59, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4278
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:50, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4278
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:56, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4278
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:59, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4278
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:51, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4278
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:53, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
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Parallax here -
This flight number is listed as serving the following routes:
- Dallas Fort Worth (DFW) - Huntsville (HSV)
- Springfield (SGF) - Miami (MIA)