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(UA) United Airlines 9721 Flight Tracker
Flight Status
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Additional Details
Aircraft Equipment
Code
333
Description
Airbus A330-300
Past and Upcoming Flights
For flights prior to the results below, please use our Historical Flight Status feature.
29-Aug
26-Aug
27-Aug
28-Aug
29-Aug
30-Aug
31-Aug
01-Sep
Flights for Tuesday, 26-Aug-2025
Departure Time
Origin
Destination
Arrival Time
21:40 EDT
BOS
Boston
ZRH
Zurich
10:55 CEST
Flights for Wednesday, 27-Aug-2025
Departure Time
Origin
Destination
Arrival Time
21:40 EDT
BOS
Boston
ZRH
Zurich
10:55 CEST
Flights for Thursday, 28-Aug-2025
Departure Time
Origin
Destination
Arrival Time
21:40 EDT
BOS
Boston
ZRH
Zurich
10:55 CEST
Flights for Friday, 29-Aug-2025
One Flight This Day
You are currently viewing the only flight for this day
Flights for Saturday, 30-Aug-2025
Departure Time
Origin
Destination
Arrival Time
21:40 EDT
BOS
Boston
ZRH
Zurich
10:55 CEST
Flights for Sunday, 31-Aug-2025
Departure Time
Origin
Destination
Arrival Time
21:40 EDT
BOS
Boston
ZRH
Zurich
10:55 CEST
Flights for Monday, 01-Sep-2025
Departure Time
Origin
Destination
Arrival Time
21:40 EDT
BOS
Boston
ZRH
Zurich
10:55 CEST