ITA Airways
flight
AZ 4399:
Washington Dulles - Boston Logan
Washington Dulles - Boston Logan
FLIGHT SCHEDULE
Direct Codeshare Flights:
ITA Airways AZ4399
Operates only on 2026-03-04
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Codeshare flight, operated by United Airlines.
(UA 1183)
Duration: 1:36, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
ITA Airways AZ4399
Operates only on 2026-01-07
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Codeshare flight, operated by United Airlines.
(UA 673)
Duration: 1:37, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
ITA Airways AZ4399
Valid until 2026-01-04
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Codeshare flight, operated by United Airlines.
(UA 1709)
Duration: 1:37, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
ITA Airways AZ4399
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1392)
Duration: 1:40, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
ITA Airways AZ4399
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1392)
Duration: 1:40, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
ITA Airways AZ4399
Operates only on 2026-03-01
Mon
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Tue
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Wed
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Sun
Codeshare flight, operated by United Airlines.
(UA 1183)
Duration: 1:36, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
ITA Airways AZ4399
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1392)
Duration: 1:42, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
ITA Airways AZ4399
Effective 2026-03-06 through 2026-03-27
Mon
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Codeshare flight, operated by United Airlines.
(UA 1392)
Duration: 1:36, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
ITA Airways AZ4399
Effective 2026-03-08 through 2026-03-22
Mon
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Codeshare flight, operated by United Airlines.
(UA 1392)
Duration: 1:36, non-stop Boeing 737-900 (739)
- AZ 4399 is a domestic flight departing from the Washington Dulles airport (IAD) and arriving at Boston Logan airport (BOS).
- The flight distance is 411 miles, or 662 km.
- The timezone of both the departure and the arrival airports is UTC-5 . Current time at both airports is (loading...).
- For direct flights, the flight time varies between 1:36 and 1:42.