Iberia
flight
IB 4903:
Multiple routes
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Iberia IB4903
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 856)
Duration: 1:27, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Iberia IB4903
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 856)
Duration: 1:25, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Iberia IB4903
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2424)
Duration: 1:36, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Iberia IB4903
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2043)
Duration: 3:07, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Iberia IB4903
Effective 2026-01-06 through 2026-01-16
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3485)
Duration: 1:29, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Iberia IB4903
Effective 2026-01-18 through 2026-02-01
Mon
Tue
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3485)
Duration: 1:29, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Iberia IB4903
Effective 2026-02-03 through 2026-02-10
Mon
-
-
Tue
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3485)
Duration: 1:29, non-stop Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Iberia IB4903
Effective 2026-02-12 through 2026-03-07
Mon
Tue
-
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 1999)
Duration: 2:42, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Iberia IB4903
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 1999)
Duration: 2:38, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Iberia IB4903
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 1999)
Duration: 3:29, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Iberia IB4903
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 1999)
Duration: 3:12, non-stop Airbus A321 (321)
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This flight number is listed as serving the following routes:
- Chicago O'Hare (ORD) - Des Moines (DSM)
- Dallas Fort Worth (DFW) - Los Angeles (LAX)
- Miami (MIA) - Luis Munoz Marin, San Juan (SJU)