UA721 United Airlines - Flight Status

Codeshare Flights

The flight LH7451 from Lufthansa (LH) is a codeshare flight operated by United Airlines (UA) under the flight number UA721. Check this page for details about flight UA721.

Warning

There is more than one flight with the same flight number on the same day. This is the other flight:

UA721 Boston (BOS) to Boston (BOS) Departure: 02:23 pm Arrival: 04:49 pm Check flight

Below, you can find details about United Airlines flight UA721, which currently operates between the airports of Boston - Boston Logan International Airport (Airport Code BOS) and Dulles - Washington Dulles International Airport (Airport Code IAD).
This flight data pertains specifically to the flight's details for Wednesday, November 05, 2025.

Table of contents:
Flight Status

UA721 On Time performance:

We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

UA721 United Airlines to Dulles

En Route - Delayed

Delay: 367 minutes

Flight Status for Wednesday November 05, 2025

This flight was also scheduled for Yesterday (November 04, 2025). See it here

This flight is also scheduled for Tomorrow (November 06, 2025). See it here

Airline information

United Airlines

Equipment: Boeing 737-900 (winglets) Passenger/BBJ3

Departure

Boston (BOS)

November 05, 2025

Boston Logan International Airport

Departed at:

08:25 pm

Terminal:

Gate:

B31

Scheduled Departure Time: 02:21 pm

Arrival

Dulles (IAD)

November 05, 2025

Washington Dulles International Airport

Estimated Arrival Time:

10:16 pm

Terminal:

Gate:

D10

Scheduled Arrival Time: 04:08 pm

Baggage: 2

Disclaimer

The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.boston-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.