United Airlines flight UA 321: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 17:15 Dulles, Washington (IAD) 07:55 Venice Marco Polo (VCE)
UA 321 Non-stop Boeing 767-300 (763) 8:40 Effective 2025-05-22 through 2025-09-25
The flight arrives 1 day after departure.
Mon,Wed,Thu,Sat 17:15 Dulles, Washington (IAD) 07:55 Venice Marco Polo (VCE)
UA 321 Non-stop Boeing 767-300 (763) 8:40 Effective 2025-09-27 through 2025-10-23
The flight arrives 1 day after departure.
Daily 21:33 George Bush, Houston (IAH) C 00:15 Chicago O'Hare (ORD) 1
UA 321 Non-stop Boeing 737-900 (739) 2:42 Valid until 2025-05-01
The flight arrives 1 day after departure.
This flight number is listed as serving the following routes:


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United Airlines flight UA 321: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA321
17:15
Dulles, Washington (IAD)

07:55(+1)
Venice Marco Polo (VCE)
Effective 2025-05-22 through 2025-09-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:40, non-stop
Boeing 767-300 (763)
The flight arrives 1 day after departure.
United Airlines UA321
17:15
Dulles, Washington (IAD)

07:55(+1)
Venice Marco Polo (VCE)
Effective 2025-09-27 through 2025-10-23
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
-
Duration: 8:40, non-stop
Boeing 767-300 (763)
The flight arrives 1 day after departure.
United Airlines UA321
21:33
George Bush, Houston (IAH) C

00:15(+1)
Chicago O'Hare (ORD) 1
Valid until 2025-05-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:42, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
This flight number is listed as serving the following routes:
  • Dulles, Washington (IAD) - Venice Marco Polo (VCE)
  • George Bush, Houston (IAH) - Chicago O'Hare (ORD)
All United Airlines flights
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