Iberia
flight
IB 4721:
Boston Logan - Dallas Fort Worth
Boston Logan - Dallas Fort Worth
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Iberia IB4721
Effective 2026-02-12 through 2026-02-16
Mon
Tue
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Wed
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Thu
Fri
Sat
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Sun
Codeshare flight, operated by American Airlines.
(AA 1148)
Duration: 4:45, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Iberia IB4721
Effective 2026-03-01 through 2026-03-06
Mon
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Tue
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Wed
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Thu
Fri
Sat
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Sun
Codeshare flight, operated by American Airlines.
(AA 1148)
Duration: 4:45, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Iberia IB4721
Effective 2026-03-14 through 2026-04-04
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by American Airlines.
(AA 2442)
Duration: 4:38, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Iberia IB4721
Effective 2026-03-08 through 2026-04-06
Mon
Tue
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-
Wed
Thu
Fri
Sat
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Sun
Codeshare flight, operated by American Airlines.
(AA 2442)
Duration: 4:38, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Iberia IB4721
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 1401)
Duration: 4:16, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Iberia IB4721
Valid until 2026-01-03
Mon
Tue
Wed
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-
Thu
Fri
Sat
Sun
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Codeshare flight, operated by American Airlines.
(AA 1148)
Duration: 4:38, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Iberia IB4721
Effective 2026-01-08 through 2026-01-12
Mon
Tue
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Wed
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Thu
Fri
Sat
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Sun
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Codeshare flight, operated by American Airlines.
(AA 1148)
Duration: 4:43, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Iberia IB4721
Effective 2026-01-15 through 2026-02-05
Mon
-
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Tue
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Wed
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Thu
Fri
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Sat
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Sun
-
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Codeshare flight, operated by American Airlines.
(AA 1148)
Duration: 4:45, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Iberia IB4721
Effective 2026-01-16 through 2026-01-23
Mon
Tue
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-
Wed
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Thu
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Fri
Sat
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Sun
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-
Codeshare flight, operated by American Airlines.
(AA 1148)
Duration: 4:43, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Iberia IB4721
Effective 2026-01-25 through 2026-02-09
Mon
Tue
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-
Wed
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Thu
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-
Fri
Sat
-
-
Sun
Codeshare flight, operated by American Airlines.
(AA 1148)
Duration: 4:43, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Iberia IB4721
Effective 2026-10-05 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 1401)
Duration: 4:30, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Iberia IB4721
Effective from 2026-10-26
Mon
Tue
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Wed
Thu
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Fri
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-
Sat
Sun
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-
Codeshare flight, operated by American Airlines.
(AA 1401)
Duration: 4:30, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Iberia IB4721
Effective 2026-04-08 through 2026-05-20
Mon
Tue
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-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 1897)
Duration: 4:26, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Iberia IB4721
Effective 2026-05-21 through 2026-06-15
Mon
Tue
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-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 1577)
Duration: 4:20, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Iberia IB4721
Effective 2026-06-16 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 1577)
Duration: 4:20, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Iberia IB4721
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 1401)
Duration: 4:20, non-stop Airbus A321 (321)
Direct Codeshare Flights:
Iberia IB4721
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 1573)
Duration: 4:17, non-stop Airbus A321 (321)
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Parallax here BOS-DFW
- IB 4721 is a domestic flight departing from the Boston Logan airport (BOS) and arriving at Dallas Fort Worth airport (DFW).
- The flight distance is 1558 miles, or 2507 km.
- The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-6 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
- For direct flights, the flight time varies between 4:16 and 4:45.