Iberia flight IB 4378: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Wed 09:50 Luis Munoz Marin, San Juan (SJU) C 13:27 Miami (MIA)
IB 4378 Non-stop Airbus A321neo (32Q) 4:37 Operates only on 2026-02-11
Codeshare flight, operated by American Airlines.(AA 3001)
Daily 10:25 Luis Munoz Marin, San Juan (SJU) C 12:26 Miami (MIA)
IB 4378 Non-stop Airbus A321neo (32Q) 3:01 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 3250)
Daily 10:32 Dallas Fort Worth (DFW) 14:29 Miami (MIA)
IB 4378 Non-stop Airbus A321 (321) 2:57 Effective 2026-03-08 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 2902)
Daily 10:57 Luis Munoz Marin, San Juan (SJU) C 12:59 Miami (MIA)
IB 4378 Non-stop Airbus A321neo (32Q) 3:02 Effective 2026-02-12 through 2026-03-07
Codeshare flight, operated by American Airlines.(AA 993)
Daily 12:30 Dallas Fort Worth (DFW) 16:13 Miami (MIA)
IB 4378 Non-stop Airbus A321 (321) 2:43 Effective 2026-04-07 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 3218)
Mon,Tue,Thu,Sat,Sun 12:40 Dallas Fort Worth (DFW) 16:39 Miami (MIA)
IB 4378 Non-stop Airbus A321 (321) 2:59 Effective from 2026-10-25
Codeshare flight, operated by American Airlines.(AA 1562)
Daily 14:31 Luis Munoz Marin, San Juan (SJU) C 16:39 Miami (MIA)
IB 4378 Non-stop Airbus A321 (321) 3:08 Effective 2026-01-06 through 2026-01-13
Codeshare flight, operated by American Airlines.(AA 949)
Daily 20:20 Chicago O'Hare (ORD) 3 22:13 Nashville (BNA)
IB 4378 Non-stop Canadair CRJ 700 (CR7) 1:53 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 6326)
Daily 20:20 Chicago O'Hare (ORD) 3 22:17 Nashville (BNA)
IB 4378 Non-stop Canadair CRJ 700 (CR7) 1:57 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 6326)
Daily 20:20 Chicago O'Hare (ORD) 3 22:17 Nashville (BNA)
IB 4378 Non-stop Canadair CRJ 700 (CR7) 1:57 Effective 2026-09-09 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 6326)
Daily 20:24 Chicago O'Hare (ORD) 3 22:20 Nashville (BNA)
IB 4378 Non-stop Canadair CRJ 700 (CR7) 1:56 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 6326)
This flight number is listed as serving the following routes:


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Iberia flight IB 4378: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Iberia IB4378
09:50
Luis Munoz Marin, San Juan (SJU) C

13:27
Miami (MIA)
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3001)
Duration: 4:37, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Iberia IB4378
10:25
Luis Munoz Marin, San Juan (SJU) C

12:26
Miami (MIA)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3250)
Duration: 3:01, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Iberia IB4378
10:32
Dallas Fort Worth (DFW)

14:29
Miami (MIA)
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2902)
Duration: 2:57, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Iberia IB4378
10:57
Luis Munoz Marin, San Juan (SJU) C

12:59
Miami (MIA)
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 993)
Duration: 3:02, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Iberia IB4378
12:30
Dallas Fort Worth (DFW)

16:13
Miami (MIA)
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3218)
Duration: 2:43, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Iberia IB4378
12:40
Dallas Fort Worth (DFW)

16:39
Miami (MIA)
Effective from 2026-10-25
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1562)
Duration: 2:59, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Iberia IB4378
14:31
Luis Munoz Marin, San Juan (SJU) C

16:39
Miami (MIA)
Effective 2026-01-06 through 2026-01-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 949)
Duration: 3:08, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Iberia IB4378
20:20
Chicago O'Hare (ORD) 3

22:13
Nashville (BNA)
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6326)
Duration: 1:53, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4378
20:20
Chicago O'Hare (ORD) 3

22:17
Nashville (BNA)
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6326)
Duration: 1:57, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4378
20:20
Chicago O'Hare (ORD) 3

22:17
Nashville (BNA)
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6326)
Duration: 1:57, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4378
20:24
Chicago O'Hare (ORD) 3

22:20
Nashville (BNA)
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6326)
Duration: 1:56, non-stop
Canadair CRJ 700 (CR7)
This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Nashville (BNA)
  • Dallas Fort Worth (DFW) - Miami (MIA)
  • Luis Munoz Marin, San Juan (SJU) - Miami (MIA)
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