Iberia
flight
IB 4540:
Multiple routes
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Iberia IB4540
Valid until 2026-01-01
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Codeshare flight, operated by American Airlines.
(AA 3552)
Duration: 1:21, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4540
Operates only on 2026-02-12
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Codeshare flight, operated by American Airlines.
(AA 3552)
Duration: 1:22, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4540
Effective 2026-02-14 through 2026-02-21
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Codeshare flight, operated by American Airlines.
(AA 3552)
Duration: 1:22, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Iberia IB4540
Effective 2026-02-22 through 2026-03-07
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Codeshare flight, operated by American Airlines.
(AA 3552)
Duration: 1:22, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Iberia IB4540
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
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Fri
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Sun
Codeshare flight, operated by American Airlines.
(AA 4464)
Duration: 2:11, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4540
Effective 2026-03-08 through 2026-03-27
Mon
Tue
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Codeshare flight, operated by American Airlines.
(AA 3881)
Duration: 1:38, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4540
Effective 2026-03-14 through 2026-03-28
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Codeshare flight, operated by American Airlines.
(AA 3881)
Duration: 1:38, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Iberia IB4540
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3727)
Duration: 1:36, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Iberia IB4540
Effective 2026-08-05 through 2026-09-08
Mon
Tue
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Sun
Codeshare flight, operated by American Airlines.
(AA 1863)
Duration: 3:32, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Iberia IB4540
Effective 2026-10-05 through 2026-10-25
Mon
Tue
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Sun
Codeshare flight, operated by American Airlines.
(AA 1863)
Duration: 3:42, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Iberia IB4540
Effective 2026-10-27 through 2026-10-29
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Codeshare flight, operated by American Airlines.
(AA 1863)
Duration: 3:42, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Iberia IB4540
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
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Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 1863)
Duration: 3:35, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Iberia IB4540
Effective 2026-04-07 through 2026-05-20
Mon
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Sun
Codeshare flight, operated by American Airlines.
(AA 4435)
Duration: 1:33, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4540
Effective 2026-03-29 through 2026-04-06
Mon
Tue
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Sun
Codeshare flight, operated by American Airlines.
(AA 3577)
Duration: 1:28, non-stop Embraer EMB 170 / EMB 175 (E70)
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This flight number is listed as serving the following routes:
- Detroit (DTW) - Chicago O'Hare (ORD)
- Midland (MAF) - Dallas Fort Worth (DFW)
- Minneapolis/Saint Paul (MSP) - Chicago O'Hare (ORD)
- Washington Dulles (IAD) - Dallas Fort Worth (DFW)