Qantas
flight
QF 4378:
Multiple routes
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Qantas QF4378
Valid until 2026-01-03
Mon
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Codeshare flight, operated by American Airlines.
(AA 3378)
Duration: 2:41, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Qantas QF4378
Effective 2026-03-08 through 2026-03-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4095)
Duration: 3:04, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Qantas QF4378
Operates only on 2026-03-28
Mon
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Tue
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Wed
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Sat
Sun
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Codeshare flight, operated by American Airlines.
(AA 4095)
Duration: 3:04, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Qantas QF4378
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
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-
Sun
Codeshare flight, operated by American Airlines.
(AA 810)
Duration: 3:54, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Qantas QF4378
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2177)
Duration: 3:58, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Qantas QF4378
Effective 2026-03-08 through 2026-03-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4095)
Duration: 2:49, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Qantas QF4378
Operates only on 2026-03-28
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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Codeshare flight, operated by American Airlines.
(AA 4095)
Duration: 2:49, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Qantas QF4378
Effective 2026-02-12 through 2026-02-19
Mon
Tue
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Wed
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Thu
Fri
Sat
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Sun
Codeshare flight, operated by American Airlines.
(AA 2177)
Duration: 3:33, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Qantas QF4378
Effective 2026-02-22 through 2026-03-06
Mon
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Tue
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Wed
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Thu
Fri
Sat
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Sun
Codeshare flight, operated by American Airlines.
(AA 2177)
Duration: 3:33, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Qantas QF4378
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2980)
Duration: 3:45, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Qantas QF4378
Effective 2026-02-14 through 2026-02-21
Mon
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Tue
Wed
Thu
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Fri
Sat
Sun
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Codeshare flight, operated by American Airlines.
(AA 2177)
Duration: 3:33, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Qantas QF4378
Effective 2026-02-23 through 2026-03-07
Mon
Tue
Wed
Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by American Airlines.
(AA 2177)
Duration: 3:33, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Qantas QF4378
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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Codeshare flight, operated by American Airlines.
(AA 3378)
Duration: 3:35, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Qantas QF4378
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 810)
Duration: 3:54, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Qantas QF4378
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2835)
Duration: 3:38, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Qantas QF4378
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2228)
Duration: 3:38, non-stop Airbus A321 (321)
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This flight number is listed as serving the following routes:
- Dallas Fort Worth (DFW) - Billings (BIL)
- Dallas Fort Worth (DFW) - San Francisco (SFO)
- Pittsburgh (PIT) - Dallas Fort Worth (DFW)