Iberia
flight
IB 4381:
Multiple routes
FLIGHT SCHEDULE
Direct Codeshare Flights:
Iberia IB4381
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2817)
Duration: 2:45, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Iberia IB4381
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2817)
Duration: 2:55, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Iberia IB4381
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2817)
Duration: 2:50, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Iberia IB4381
Effective 2026-01-06 through 2026-01-19
Mon
Tue
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4500)
Duration: 3:33, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4381
Effective 2026-01-22 through 2026-02-09
Mon
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 4500)
Duration: 3:33, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4381
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2817)
Duration: 2:45, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Iberia IB4381
Valid until 2026-01-05
Mon
Tue
Wed
-
-
Thu
-
-
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4500)
Duration: 3:31, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4381
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2817)
Duration: 2:50, non-stop Boeing 737-800 (738)
This flight number is listed as serving the following routes:
- Boston Logan (BOS) - Saint Louis (STL)
- Luis Munoz Marin, San Juan (SJU) - Miami (MIA)