ITA Airways flights from Boston Logan (BOS) to Denver (DEN).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Fri,Sun 16:47 Boston Logan (BOS) B 19:40 Denver (DEN)
ITA Airways AZ 4373 Non-stop Airbus A321neo (32Q) 4:53 Valid until 2026-01-04
Codeshare flight, operated by United Airlines.(UA 800)
Wed 16:49 Boston Logan (BOS) B 19:34 Denver (DEN)
ITA Airways AZ 4373 Non-stop Airbus A321neo (32Q) 4:45 Operates only on 2026-01-07
Codeshare flight, operated by United Airlines.(UA 800)
Wed,Fri,Sun 16:50 Boston Logan (BOS) B 19:40 Denver (DEN)
ITA Airways AZ 4373 Non-stop Boeing 737 MAX 9 (7M9) 4:50 Effective 2026-03-01 through 2026-03-27
Codeshare flight, operated by United Airlines.(UA 800)
Daily 16:50 Boston Logan (BOS) B 19:36 Denver (DEN)
ITA Airways AZ 4373 Non-stop Boeing 737 MAX 9 (7M9) 4:46 Effective 2026-03-29 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 800)
Daily 16:57 Boston Logan (BOS) B 19:38 Denver (DEN)
ITA Airways AZ 4373 Non-stop Airbus A321neo (32Q) 4:41 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 800)
Daily 16:57 Boston Logan (BOS) B 19:38 Denver (DEN)
ITA Airways AZ 4373 Non-stop Boeing 737 MAX 8 (7M8) 4:41 Effective 2026-05-21 through 2026-10-24
Codeshare flight, operated by United Airlines.(UA 800)
Fri 15:15 Boston Logan (BOS) B 18:08 Denver (DEN)
ITA Airways AZ 4374 Non-stop Boeing 737-900 (739) 4:53 Operates only on 2026-01-02
Codeshare flight, operated by United Airlines.(UA 2297)
Sun 15:15 Boston Logan (BOS) B 18:08 Denver (DEN)
ITA Airways AZ 4374 Non-stop Boeing 737 MAX 9 (7M9) 4:53 Operates only on 2026-01-04
Codeshare flight, operated by United Airlines.(UA 2297)
Wed 15:15 Boston Logan (BOS) B 18:09 Denver (DEN)
ITA Airways AZ 4374 Non-stop Airbus A321neo (32Q) 4:54 Operates only on 2026-01-07
Codeshare flight, operated by United Airlines.(UA 2297)
Daily 15:19 Boston Logan (BOS) B 18:00 Denver (DEN)
ITA Airways AZ 4374 Non-stop Airbus A321neo (32Q) 4:41 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 2297)
Daily 15:19 Boston Logan (BOS) B 18:00 Denver (DEN)
ITA Airways AZ 4374 Non-stop Boeing 737-900 (739) 4:41 Effective 2026-05-21 through 2026-10-24
Codeshare flight, operated by United Airlines.(UA 2297)




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ITA Airways flights from Boston Logan (BOS) to Denver (DEN).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
ITA Airways AZ4373
16:47
Boston Logan (BOS) B

19:40
Denver (DEN)
Valid until 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 800)
Duration: 4:53, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
ITA Airways AZ4373
16:49
Boston Logan (BOS) B

19:34
Denver (DEN)
Operates only on 2026-01-07
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 800)
Duration: 4:45, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
ITA Airways AZ4373
16:50
Boston Logan (BOS) B

19:40
Denver (DEN)
Effective 2026-03-01 through 2026-03-27
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 800)
Duration: 4:50, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
ITA Airways AZ4373
16:50
Boston Logan (BOS) B

19:36
Denver (DEN)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 800)
Duration: 4:46, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
ITA Airways AZ4373
16:57
Boston Logan (BOS) B

19:38
Denver (DEN)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 800)
Duration: 4:41, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
ITA Airways AZ4373
16:57
Boston Logan (BOS) B

19:38
Denver (DEN)
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 800)
Duration: 4:41, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
ITA Airways AZ4374
15:15
Boston Logan (BOS) B

18:08
Denver (DEN)
Operates only on 2026-01-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2297)
Duration: 4:53, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
ITA Airways AZ4374
15:15
Boston Logan (BOS) B

18:08
Denver (DEN)
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2297)
Duration: 4:53, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
ITA Airways AZ4374
15:15
Boston Logan (BOS) B

18:09
Denver (DEN)
Operates only on 2026-01-07
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2297)
Duration: 4:54, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
ITA Airways AZ4374
15:19
Boston Logan (BOS) B

18:00
Denver (DEN)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2297)
Duration: 4:41, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
ITA Airways AZ4374
15:19
Boston Logan (BOS) B

18:00
Denver (DEN)
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2297)
Duration: 4:41, non-stop
Boeing 737-900 (739)
  • A domestic route departing from the Boston Logan airport (BOS) and arriving at Denver airport (DEN).
  • The flight distance is 1748 miles, or 2813 km.
  • The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-7 . 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 4:41 and 4:54.
All BOS-DEN flights
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