ITA Airways flight AZ 4388: Denver - Boston Logan

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 07:45 Denver (DEN) 13:49 Boston Logan (BOS) B
AZ 4388 Non-stop Airbus A321neo (32Q) 4:04 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 558)
Daily 07:45 Denver (DEN) 13:49 Boston Logan (BOS) B
AZ 4388 Non-stop Boeing 737-900 (739) 4:04 Effective 2026-05-21 through 2026-10-24
Codeshare flight, operated by United Airlines.(UA 558)
Wed,Fri,Sun 07:50 Denver (DEN) 13:42 Boston Logan (BOS) B
AZ 4388 Non-stop Boeing 737-900 (739) 3:52 Effective 2026-03-06 through 2026-03-27
Codeshare flight, operated by United Airlines.(UA 558)
Daily 07:50 Denver (DEN) 13:52 Boston Logan (BOS) B
AZ 4388 Non-stop Airbus A321neo (32Q) 4:02 Effective 2026-03-29 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 558)
Wed,Sun 08:00 Denver (DEN) 13:54 Boston Logan (BOS) B
AZ 4388 Non-stop Airbus A321neo (32Q) 3:54 Effective 2026-03-01 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 558)
Wed 08:01 Denver (DEN) 14:02 Boston Logan (BOS) B
AZ 4388 Non-stop Airbus A321neo (32Q) 4:01 Operates only on 2026-01-07
Codeshare flight, operated by United Airlines.(UA 558)
Fri 08:02 Denver (DEN) 14:02 Boston Logan (BOS) B
AZ 4388 Non-stop Boeing 737-900 (739) 4:00 Operates only on 2026-01-02
Codeshare flight, operated by United Airlines.(UA 558)
Sun 08:02 Denver (DEN) 14:02 Boston Logan (BOS) B
AZ 4388 Non-stop Boeing 737 MAX 9 (7M9) 4:00 Operates only on 2026-01-04
Codeshare flight, operated by United Airlines.(UA 558)
ITA Airways flight AZ 4388:
Denver - Boston Logan
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

ITA Airways AZ4388
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 558)
Duration: 4:04, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

ITA Airways AZ4388
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 558)
Duration: 4:04, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

ITA Airways AZ4388
Effective 2026-03-06 through 2026-03-27
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 558)
Duration: 3:52, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

ITA Airways AZ4388
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 558)
Duration: 4:02, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

ITA Airways AZ4388
Effective 2026-03-01 through 2026-03-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 558)
Duration: 3:54, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

ITA Airways AZ4388
Operates only on 2026-01-07
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 558)
Duration: 4:01, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

ITA Airways AZ4388
Operates only on 2026-01-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 558)
Duration: 4:00, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

ITA Airways AZ4388
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 558)
Duration: 4:00, non-stop
Boeing 737 MAX 9 (7M9)
  • AZ 4388 is a domestic flight departing from the Denver airport (DEN) and arriving at Boston Logan airport (BOS).
  • The flight distance is 1748 miles, or 2813 km.
  • The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-5 . 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 3:52 and 4:04.