Iberia
flight
IB 4303:
Multiple routes
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Iberia IB4303
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2988)
Duration: 2:28, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Iberia IB4303
Effective 2026-02-12 through 2026-02-18
Mon
Tue
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Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4379)
Duration: 1:43, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4303
Effective 2026-02-21 through 2026-03-02
Mon
Tue
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Wed
Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by American Airlines.
(AA 4379)
Duration: 1:43, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4303
Effective 2026-03-03 through 2026-03-07
Mon
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Tue
Wed
Thu
Fri
Sat
Sun
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Codeshare flight, operated by American Airlines.
(AA 4379)
Duration: 1:43, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4303
Operates only on 2026-03-01
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
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Sun
Codeshare flight, operated by American Airlines.
(AA 4379)
Duration: 1:43, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4303
Effective 2026-01-06 through 2026-01-20
Mon
Tue
Wed
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Thu
Fri
Sat
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Sun
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Codeshare flight, operated by American Airlines.
(AA 2632)
Duration: 1:42, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Iberia IB4303
Effective 2026-01-21 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
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-
Sun
Codeshare flight, operated by American Airlines.
(AA 2632)
Duration: 1:42, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Iberia IB4303
Valid until 2026-01-03
Mon
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Tue
Wed
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Thu
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Fri
Sat
Sun
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Codeshare flight, operated by American Airlines.
(AA 2632)
Duration: 1:39, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Iberia IB4303
Operates only on 2026-01-05
Mon
Tue
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Wed
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Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by American Airlines.
(AA 4674)
Duration: 1:41, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4303
Operates only on 2026-01-01
Mon
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Tue
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Wed
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Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by American Airlines.
(AA 4674)
Duration: 1:41, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4303
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 866)
Duration: 3:58, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Iberia IB4303
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 866)
Duration: 3:53, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Iberia IB4303
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 866)
Duration: 3:54, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Iberia IB4303
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 866)
Duration: 3:53, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Iberia IB4303
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2554)
Duration: 4:06, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Iberia IB4303
Effective 2026-03-29 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3018)
Duration: 4:05, non-stop Boeing 737-800 (738)
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This flight number is listed as serving the following routes:
- Boston Logan (BOS) - Philadelphia (PHL)
- Chicago O'Hare (ORD) - Dallas Fort Worth (DFW)
- Chicago O'Hare (ORD) - Phoenix Sky Harbor (PHX)