Iberia flight IB 4374: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 11:55 Louisville (SDF) 12:40 Chicago O'Hare (ORD) 3
IB 4374 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:45 Effective 2026-04-07 through 2026-05-02
Codeshare flight, operated by American Airlines.(AA 3850)
Sun 11:55 Louisville (SDF) 12:40 Chicago O'Hare (ORD) 3
IB 4374 Non-stop Airbus A319 (319) 1:45 Operates only on 2026-05-03
Codeshare flight, operated by American Airlines.(AA 3279)
Daily 11:55 Louisville (SDF) 12:40 Chicago O'Hare (ORD) 3
IB 4374 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:45 Effective 2026-05-04 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 3850)
Mon-Fri,Sun 12:06 Louisville (SDF) 12:40 Chicago O'Hare (ORD) 3
IB 4374 Non-stop Embraer EMB 175 (E75) 1:34 Effective 2026-03-08 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 3601)
Sat 12:10 Louisville (SDF) 12:47 Chicago O'Hare (ORD) 3
IB 4374 Non-stop Embraer EMB 175 (E75) 1:37 Effective 2026-03-14 through 2026-04-04
Codeshare flight, operated by American Airlines.(AA 4765)
Sat 12:56 Louisville (SDF) 13:44 Chicago O'Hare (ORD) 3
IB 4374 Non-stop Embraer EMB 175 (E75) 1:48 Operates only on 2026-01-10
Codeshare flight, operated by American Airlines.(AA 4360)
Sat 12:56 Louisville (SDF) 13:44 Chicago O'Hare (ORD) 3
IB 4374 Non-stop Embraer EMB 175 (E75) 1:48 Effective 2026-01-24 through 2026-02-07
Codeshare flight, operated by American Airlines.(AA 4360)
Daily 13:20 San Pedro Sula (SAP) 17:55 Miami (MIA)
IB 4374 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-05-21 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 438)
Mon-Fri,Sun 13:32 Louisville (SDF) 14:20 Chicago O'Hare (ORD) 3
IB 4374 Non-stop Embraer EMB 175 (E75) 1:48 Effective 2026-01-06 through 2026-01-20
Codeshare flight, operated by American Airlines.(AA 4360)
Mon,Tue,Thu,Fri,Sun 13:32 Louisville (SDF) 14:20 Chicago O'Hare (ORD) 3
IB 4374 Non-stop Embraer EMB 175 (E75) 1:48 Effective 2026-01-22 through 2026-02-01
Codeshare flight, operated by American Airlines.(AA 4360)
Tue,Thu,Fri,Sun 13:32 Louisville (SDF) 14:20 Chicago O'Hare (ORD) 3
IB 4374 Non-stop Embraer EMB 175 (E75) 1:48 Effective 2026-02-03 through 2026-02-10
Codeshare flight, operated by American Airlines.(AA 4360)
Daily 13:40 San Pedro Sula (SAP) 18:05 Miami (MIA)
IB 4374 Non-stop Boeing 737-800 (738) 2:25 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 438)
Daily 14:00 Louisville (SDF) 14:45 Chicago O'Hare (ORD) 3
IB 4374 Non-stop Embraer EMB 175 (E75) 1:45 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 4390)
This flight number is listed as serving the following routes:


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Iberia flight IB 4374: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Iberia IB4374
11:55
Louisville (SDF)

12:40
Chicago O'Hare (ORD) 3
Effective 2026-04-07 through 2026-05-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3850)
Duration: 1:45, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Iberia IB4374
11:55
Louisville (SDF)

12:40
Chicago O'Hare (ORD) 3
Operates only on 2026-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3279)
Duration: 1:45, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Iberia IB4374
11:55
Louisville (SDF)

12:40
Chicago O'Hare (ORD) 3
Effective 2026-05-04 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3850)
Duration: 1:45, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Iberia IB4374
12:06
Louisville (SDF)

12:40
Chicago O'Hare (ORD) 3
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3601)
Duration: 1:34, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4374
12:10
Louisville (SDF)

12:47
Chicago O'Hare (ORD) 3
Effective 2026-03-14 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4765)
Duration: 1:37, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4374
12:56
Louisville (SDF)

13:44
Chicago O'Hare (ORD) 3
Operates only on 2026-01-10
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4360)
Duration: 1:48, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4374
12:56
Louisville (SDF)

13:44
Chicago O'Hare (ORD) 3
Effective 2026-01-24 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4360)
Duration: 1:48, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4374
13:20
San Pedro Sula (SAP)

17:55
Miami (MIA)
Effective 2026-05-21 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 438)
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Iberia IB4374
13:32
Louisville (SDF)

14:20
Chicago O'Hare (ORD) 3
Effective 2026-01-06 through 2026-01-20
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4360)
Duration: 1:48, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4374
13:32
Louisville (SDF)

14:20
Chicago O'Hare (ORD) 3
Effective 2026-01-22 through 2026-02-01
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4360)
Duration: 1:48, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4374
13:32
Louisville (SDF)

14:20
Chicago O'Hare (ORD) 3
Effective 2026-02-03 through 2026-02-10
Mon
-
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4360)
Duration: 1:48, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4374
13:40
San Pedro Sula (SAP)

18:05
Miami (MIA)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 438)
Duration: 2:25, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Iberia IB4374
14:00
Louisville (SDF)

14:45
Chicago O'Hare (ORD) 3
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4390)
Duration: 1:45, non-stop
Embraer EMB 175 (E75)
This flight number is listed as serving the following routes:
  • Louisville (SDF) - Chicago O'Hare (ORD)
  • San Pedro Sula (SAP) - Miami (MIA)
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