ITA Airways
flight
AZ 4421:
Multiple routes
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FLIGHT SCHEDULE
Direct Codeshare Flights:
ITA Airways AZ4421
Effective 2026-03-29 through 2026-04-28
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Codeshare flight, operated by United Airlines.
(UA 1893)
Duration: 2:17, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
ITA Airways AZ4421
Effective 2026-04-30 through 2026-05-20
Mon
Tue
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Codeshare flight, operated by United Airlines.
(UA 2400)
Duration: 3:56, non-stop Boeing 737-700 (73G)
Direct Codeshare Flights:
ITA Airways AZ4421
Effective 2026-05-21 through 2026-10-24
Mon
Tue
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Codeshare flight, operated by United Airlines.
(UA 2400)
Duration: 3:34, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
ITA Airways AZ4421
Valid until 2026-01-02
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Codeshare flight, operated by United Airlines.
(UA 1486)
Duration: 3:53, non-stop Airbus A320 (320)
Direct Codeshare Flights:
ITA Airways AZ4421
Valid until 2026-01-04
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Codeshare flight, operated by United Airlines.
(UA 1486)
Duration: 3:50, non-stop Airbus A320 (320)
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This flight number is listed as serving the following routes:
- Houston George Bush (IAH) - Boston Logan (BOS)
- Orlando (MCO) - Washington Dulles (IAD)