Qantas flight QF 4540: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Wed,Fri,Sun 12:19 Dallas Fort Worth (DFW) 14:03 San Francisco (SFO) 1
QF 4540 Non-stop Airbus A321 (321) 3:44 Effective 2025-10-06 through 2025-10-24
Codeshare flight, operated by American Airlines.(AA 3301)
Daily 14:50 Chicago O'Hare (ORD) 3 17:15 Detroit (DTW) E
QF 4540 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:25 Effective 2026-01-07 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 4243)
Daily 14:50 Chicago O'Hare (ORD) 3 17:03 Detroit (DTW) E
QF 4540 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:13 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 4243)
Fri 17:00 Chicago O'Hare (ORD) 3 19:29 New Orleans (MSY)
QF 4540 Non-stop Embraer EMB 175 (E75) 2:29 Operates only on 2025-07-04
Codeshare flight, operated by American Airlines.(AA 4432)
Mon-Sat 19:05 Chicago O'Hare (ORD) 3 21:37 New Orleans (MSY)
QF 4540 Non-stop Embraer EMB 175 (E75) 2:32 Effective 2025-06-05 through 2025-07-03
Codeshare flight, operated by American Airlines.(AA 4432)
Sun 19:10 Chicago O'Hare (ORD) 3 21:38 New Orleans (MSY)
QF 4540 Non-stop Embraer EMB 175 (E75) 2:28 Effective 2025-06-08 through 2025-06-29
Codeshare flight, operated by American Airlines.(AA 4432)
Daily 20:20 Chicago O'Hare (ORD) 3 22:55 Detroit (DTW) E
QF 4540 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:35 Effective 2025-10-26 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 4058)
Daily 20:20 Chicago O'Hare (ORD) 3 22:49 Detroit (DTW) E
QF 4540 Non-stop Embraer EMB 175 (E75) 1:29 Effective 2025-11-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 4058)
Mon,Wed-Sun 21:00 Chicago O'Hare (ORD) 3 23:27 Detroit (DTW) E
QF 4540 Non-stop Embraer EMB 175 (E75) 1:27 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 4500)
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This flight number is listed as serving the following routes:


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Qantas flight QF 4540: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Qantas QF4540
12:19
Dallas Fort Worth (DFW)

14:03
San Francisco (SFO) 1
Effective 2025-10-06 through 2025-10-24
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3301)
Duration: 3:44, non-stop
Airbus A321 (321)
Qantas QF4540
14:50
Chicago O'Hare (ORD) 3

17:15
Detroit (DTW) E
Effective 2026-01-07 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4243)
Duration: 1:25, non-stop
Embraer EMB 170 / EMB 175 (E70)
Qantas QF4540
14:50
Chicago O'Hare (ORD) 3

17:03
Detroit (DTW) E
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4243)
Duration: 1:13, non-stop
Embraer EMB 170 / EMB 175 (E70)
Qantas QF4540
17:00
Chicago O'Hare (ORD) 3

19:29
New Orleans (MSY)
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4432)
Duration: 2:29, non-stop
Embraer EMB 175 (E75)
Qantas QF4540
19:05
Chicago O'Hare (ORD) 3

21:37
New Orleans (MSY)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4432)
Duration: 2:32, non-stop
Embraer EMB 175 (E75)
Qantas QF4540
19:10
Chicago O'Hare (ORD) 3

21:38
New Orleans (MSY)
Effective 2025-06-08 through 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4432)
Duration: 2:28, non-stop
Embraer EMB 175 (E75)
Qantas QF4540
20:20
Chicago O'Hare (ORD) 3

22:55
Detroit (DTW) E
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4058)
Duration: 1:35, non-stop
Embraer EMB 170 / EMB 175 (E70)
Qantas QF4540
20:20
Chicago O'Hare (ORD) 3

22:49
Detroit (DTW) E
Effective 2025-11-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4058)
Duration: 1:29, non-stop
Embraer EMB 175 (E75)
Qantas QF4540
21:00
Chicago O'Hare (ORD) 3

23:27
Detroit (DTW) E
Valid until 2025-05-04
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4500)
Duration: 1:27, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Detroit (DTW)
  • Chicago O'Hare (ORD) - New Orleans (MSY)
  • Dallas Fort Worth (DFW) - San Francisco (SFO)
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