Iberia
flight
IB 4373:
Multiple routes
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Iberia IB4373
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 1508)
Duration: 2:50, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Iberia IB4373
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 1508)
Duration: 2:50, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Iberia IB4373
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 1508)
Duration: 2:45, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Iberia IB4373
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 1508)
Duration: 2:45, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Iberia IB4373
Valid until 2026-01-05
Mon
Tue
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 356)
Duration: 2:52, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Iberia IB4373
Effective 2026-01-08 through 2026-02-09
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 356)
Duration: 2:51, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Iberia IB4373
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3814)
Duration: 2:27, non-stop Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
- Houston George Bush (IAH) - Miami (MIA)
- San Salvador (SAL) - Miami (MIA)