United Airlines flight UA 321: Philadelphia - Phoenix Sky Harbor via Washington Dulles

FLIGHT SCHEDULE
Direct Flights:
Sun 06:10 Philadelphia (PHL) D 07:38 Chicago O'Hare (ORD) 1 UA 321 Non-stop Boeing 737 MAX 8 (7M8) 2:28 Valid until 2026-01-04
Mon,Thu-Sat 06:30 Philadelphia (PHL) D 08:00 Chicago O'Hare (ORD) 1 UA 321 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-03-05 through 2026-03-28
Sun 06:30 Philadelphia (PHL) D 08:00 Chicago O'Hare (ORD) 1 UA 321 Non-stop Boeing 737 MAX 9 (7M9) 2:30 Effective 2026-03-08 through 2026-03-22
Thu 06:35 Philadelphia (PHL) D 08:03 Chicago O'Hare (ORD) 1 UA 321 Non-stop Boeing 737-900 (739) 2:28 Valid until 2026-01-01
Mon-Wed,Fri 06:35 Philadelphia (PHL) D 08:03 Chicago O'Hare (ORD) 1 UA 321 Non-stop Boeing 737 MAX 8 (7M8) 2:28 Valid until 2026-01-05
Sat 06:35 Philadelphia (PHL) D 08:03 Chicago O'Hare (ORD) 1 UA 321 Non-stop Boeing 737-700 (73G) 2:28 Operates only on 2026-01-03
Thu-Sat 09:13 Chicago O'Hare (ORD) 1 12:26 Phoenix Sky Harbor (PHX) 3 UA 321 Non-stop Airbus A321neo (32Q) 4:13 Effective 2026-03-05 through 2026-03-07
Mon,Wed-Sun 09:13 Chicago O'Hare (ORD) 1 11:26 Phoenix Sky Harbor (PHX) 3 UA 321 Non-stop Airbus A321neo (32Q) 4:13 Effective 2026-03-08 through 2026-03-28
Tue 09:13 Chicago O'Hare (ORD) 1 11:24 Phoenix Sky Harbor (PHX) 3 UA 321 Non-stop Boeing 737-900 (739) 4:11 Effective 2026-03-10 through 2026-03-24
Daily 09:15 Chicago O'Hare (ORD) 1 12:27 Phoenix Sky Harbor (PHX) 3 UA 321 Non-stop Airbus A321neo (32Q) 4:12 Valid until 2026-01-04
Mon 09:15 Chicago O'Hare (ORD) 1 12:25 Phoenix Sky Harbor (PHX) 3 UA 321 Non-stop Boeing 737-800 (738) 4:10 Operates only on 2026-01-05
Daily 09:20 Chicago O'Hare (ORD) 1 12:33 Phoenix Sky Harbor (PHX) 3 UA 321 Non-stop Airbus A321neo (32Q) 4:13 Effective 2026-02-12 through 2026-02-23
Tue 09:20 Chicago O'Hare (ORD) 1 12:31 Phoenix Sky Harbor (PHX) 3 UA 321 Non-stop Boeing 737 MAX 8 (7M8) 4:11 Effective 2026-02-24 through 2026-03-03
Mon,Wed-Sun 09:20 Chicago O'Hare (ORD) 1 12:33 Phoenix Sky Harbor (PHX) 3 UA 321 Non-stop Airbus A321neo (32Q) 4:13 Effective 2026-02-25 through 2026-03-04
Daily 09:25 Chicago O'Hare (ORD) 1 12:35 Phoenix Sky Harbor (PHX) 3 UA 321 Non-stop Boeing 737 MAX 9 (7M9) 4:10 Effective 2026-01-06 through 2026-02-03
Daily 09:25 Chicago O'Hare (ORD) 1 12:35 Phoenix Sky Harbor (PHX) 3 UA 321 Non-stop Boeing 737 MAX 9 (7M9) 4:10 Effective 2026-02-05 through 2026-02-11
Wed 09:30 Chicago O'Hare (ORD) 1 12:40 Phoenix Sky Harbor (PHX) 3 UA 321 Non-stop Boeing 737 MAX 9 (7M9) 4:10 Operates only on 2026-02-04
Daily 17:15 Washington Dulles (IAD) 07:55 Venice Marco Polo (VCE) UA 321 Non-stop Boeing 767-300 (763) 8:40 Effective 2026-05-21 through 2026-09-22 The flight arrives 1 day after departure.
Tue,Thu,Sat,Sun 17:15 Washington Dulles (IAD) 07:55 Venice Marco Polo (VCE) UA 321 Non-stop Boeing 767-300 (763) 8:40 Effective 2026-09-24 through 2026-10-22 The flight arrives 1 day after departure.
Non-Direct Flights:
Sun 06:10 Philadelphia (PHL) D 12:27 Phoenix Sky Harbor (PHX) 3 UA 321 1-stop Boeing 737 MAX 8 (7M8) 8:17 Valid until 2026-01-04
Thu-Sat 06:30 Philadelphia (PHL) D 12:26 Phoenix Sky Harbor (PHX) 3 UA 321 1-stop Boeing 737 MAX 8 (7M8) 7:56 Effective 2026-03-05 through 2026-03-07
Sun 06:30 Philadelphia (PHL) D 11:26 Phoenix Sky Harbor (PHX) 3 UA 321 1-stop Boeing 737 MAX 9 (7M9) 7:56 Effective 2026-03-08 through 2026-03-22
Mon,Thu-Sat 06:30 Philadelphia (PHL) D 11:26 Phoenix Sky Harbor (PHX) 3 UA 321 1-stop Boeing 737 MAX 8 (7M8) 7:56 Effective 2026-03-09 through 2026-03-28
Mon-Wed,Fri,Sat 06:35 Philadelphia (PHL) D 12:27 Phoenix Sky Harbor (PHX) 3 UA 321 1-stop Boeing 737 MAX 8 (7M8) 7:52 Valid until 2026-01-02
Thu 06:35 Philadelphia (PHL) D 12:27 Phoenix Sky Harbor (PHX) 3 UA 321 1-stop Boeing 737-900 (739) 7:52 Valid until 2026-01-01
Sat 06:35 Philadelphia (PHL) D 12:27 Phoenix Sky Harbor (PHX) 3 UA 321 1-stop Boeing 737-700 (73G) 7:52 Operates only on 2026-01-03
Mon 06:35 Philadelphia (PHL) D 12:25 Phoenix Sky Harbor (PHX) 3 UA 321 1-stop Boeing 737 MAX 8 (7M8) 7:50 Operates only on 2026-01-05

UA 321 is a domestic flight departing from the Philadelphia airport (PHL) and arriving at Phoenix Sky Harbor airport (PHX).
The flight runs via Washington Dulles (IAD).
The flight distance is 2069 miles, or 3330 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.

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United Airlines flight UA 321:
Philadelphia - Phoenix Sky Harbor via Washington Dulles

FLIGHT SCHEDULE

Direct Flights:

United Airlines UA321

06:10

Philadelphia (PHL) D

07:38

Chicago O'Hare (ORD) 1

Valid until 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:28, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA321

06:30

Philadelphia (PHL) D

08:00

Chicago O'Hare (ORD) 1

Effective 2026-03-05 through 2026-03-28

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun
-

Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA321

06:30

Philadelphia (PHL) D

08:00

Chicago O'Hare (ORD) 1

Effective 2026-03-08 through 2026-03-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:30, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA321

06:35

Philadelphia (PHL) D

08:03

Chicago O'Hare (ORD) 1

Valid until 2026-01-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:28, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA321

06:35

Philadelphia (PHL) D

08:03

Chicago O'Hare (ORD) 1

Valid until 2026-01-05

Mon

Tue

Wed

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:28, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA321

06:35

Philadelphia (PHL) D

08:03

Chicago O'Hare (ORD) 1

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:28, non-stop
Boeing 737-700 (73G)

Direct Flights:

United Airlines UA321

09:13

Chicago O'Hare (ORD) 1

12:26

Phoenix Sky Harbor (PHX) 3

Effective 2026-03-05 through 2026-03-07

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat

Sun
-

Duration: 4:13, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA321

09:13

Chicago O'Hare (ORD) 1

11:26

Phoenix Sky Harbor (PHX) 3

Effective 2026-03-08 through 2026-03-28

Mon

Tue
-

Wed

Thu

Fri

Sat

Sun

Duration: 4:13, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA321

09:13

Chicago O'Hare (ORD) 1

11:24

Phoenix Sky Harbor (PHX) 3

Effective 2026-03-10 through 2026-03-24

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:11, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA321

09:15

Chicago O'Hare (ORD) 1

12:27

Phoenix Sky Harbor (PHX) 3

Valid until 2026-01-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:12, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA321

09:15

Chicago O'Hare (ORD) 1

12:25

Phoenix Sky Harbor (PHX) 3

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:10, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA321

09:20

Chicago O'Hare (ORD) 1

12:33

Phoenix Sky Harbor (PHX) 3

Effective 2026-02-12 through 2026-02-23

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:13, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA321

09:20

Chicago O'Hare (ORD) 1

12:31

Phoenix Sky Harbor (PHX) 3

Effective 2026-02-24 through 2026-03-03

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:11, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA321

09:20

Chicago O'Hare (ORD) 1

12:33

Phoenix Sky Harbor (PHX) 3

Effective 2026-02-25 through 2026-03-04

Mon

Tue
-

Wed

Thu

Fri

Sat

Sun

Duration: 4:13, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA321

09:25

Chicago O'Hare (ORD) 1

12:35

Phoenix Sky Harbor (PHX) 3

Effective 2026-01-06 through 2026-02-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:10, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA321

09:25

Chicago O'Hare (ORD) 1

12:35

Phoenix Sky Harbor (PHX) 3

Effective 2026-02-05 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:10, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA321

09:30

Chicago O'Hare (ORD) 1

12:40

Phoenix Sky Harbor (PHX) 3

Operates only on 2026-02-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:10, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA321

17:15

Washington Dulles (IAD)

07:55(+1)

Venice Marco Polo (VCE)

Effective 2026-05-21 through 2026-09-22

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 8:40, non-stop
Boeing 767-300 (763)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA321

17:15

Washington Dulles (IAD)

07:55(+1)

Venice Marco Polo (VCE)

Effective 2026-09-24 through 2026-10-22

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat

Sun

Duration: 8:40, non-stop
Boeing 767-300 (763)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA321

06:10

Philadelphia (PHL) D

12:27

Phoenix Sky Harbor (PHX) 3

Valid until 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 8:17, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

United Airlines UA321

06:30

Philadelphia (PHL) D

12:26

Phoenix Sky Harbor (PHX) 3

Effective 2026-03-05 through 2026-03-07

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat

Sun
-

Duration: 7:56, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

United Airlines UA321

06:30

Philadelphia (PHL) D

11:26

Phoenix Sky Harbor (PHX) 3

Effective 2026-03-08 through 2026-03-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 7:56, 1-stop
Boeing 737 MAX 9 (7M9)

Non-Direct Flights:

United Airlines UA321

06:30

Philadelphia (PHL) D

11:26

Phoenix Sky Harbor (PHX) 3

Effective 2026-03-09 through 2026-03-28

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun
-

Duration: 7:56, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

United Airlines UA321

06:35

Philadelphia (PHL) D

12:27

Phoenix Sky Harbor (PHX) 3

Valid until 2026-01-02

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun
-

Duration: 7:52, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

United Airlines UA321

06:35

Philadelphia (PHL) D

12:27

Phoenix Sky Harbor (PHX) 3

Valid until 2026-01-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 7:52, 1-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA321

06:35

Philadelphia (PHL) D

12:27

Phoenix Sky Harbor (PHX) 3

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 7:52, 1-stop
Boeing 737-700 (73G)

Non-Direct Flights:

United Airlines UA321

06:35

Philadelphia (PHL) D

12:25

Phoenix Sky Harbor (PHX) 3

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 7:50, 1-stop
Boeing 737 MAX 8 (7M8)

UA 321 is a domestic flight departing from the Philadelphia airport (PHL) and arriving at Phoenix Sky Harbor airport (PHX).
The flight runs via Washington Dulles (IAD).
The flight distance is 2069 miles, or 3330 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.

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