Flight UA721
United Airlines | Boston to Washington
Departure
Select Date
Return
Select Date
UA721 | Boston to Washington
Operated by United Airlines with 87% on-time rate. Check schedules, fares & cabin info to book your perfect journey!
Flight Information
Boston (BOS) to Washington (IAD)
87%On-time Rate
Departure
14:20
Logan International Airport B
BOS
1h 46m
Has Stops
Arrival
15:39
Dulles International Airport
IAD
Airline
United Airlines
Aircraft
Boeing 737-900
Seats
179
Aircraft Age
13y, 10m
Boarding Gate: --
Check-in closes at 2026-01-21 13:35. Passengers are advised to arrive at the airport at least 2 hours prior to boarding.
Flight Punctuality
On-time performance data for flight UA721
Departure Punctuality
On-time Rate
Punctuality 67%
Avg Delay
Late on average 31 minutes
Early
0%
On-time
67%
Delay <30min
20%
Delay 30-60min
7%
Delay >60min
7%
Cancelled
0%
Arrival Punctuality
On-time Rate
Punctuality 67%
Avg Delay
Late on average 31 minutes
Early
0%
On-time
67%
Delay <30min
20%
Delay 30-60min
7%
Delay >60min
7%
Cancelled
0%
Based on UA721 flight history for Last 30 Days. On-time rate: Punctuality 67%, average delay: Late on average 31 minutes.
Flight Schedule
Upcoming schedule for flight UA721
Fri, Jan 16
UA721
United Airlines
739
14:44
BOS
Boston
Direct
15:58
IAD
Washington D.C.
Mon, Jan 19
UA721
United Airlines
739
15:55
BOS
Boston
Direct
17:27
IAD
Washington D.C.
Sat, Jan 17
UA721
United Airlines
739
15:41
BOS
Boston
Direct
17:00
IAD
Washington D.C.
Sun, Jan 18
UA721
United Airlines
319
14:42
BOS
Boston
Direct
16:15
IAD
Washington D.C.
Thu, Jan 22
UA721
United Airlines
739
14:20
BOS
Boston
Direct
16:06
IAD
Washington D.C.
Tue, Jan 20
UA721
United Airlines
739
14:46
BOS
Boston
Direct
16:06
IAD
Washington D.C.
Wed, Jan 21
UA721
United Airlines
739
14:20
BOS
Boston
Direct
15:39
IAD
Washington D.C.
Schedule Information
Flight schedules are subject to change. Please check with the airline for the most up-to-date information.
Cabin Information
Available cabin classes for flight UA721
✈️
Economy
UA721
Seat Information
76 cm
Legroom
--
Seat width
100°
Reclining Angle
Facilities & Amenities
Snacks
On-demand entertainment
Wi-Fi (additional charge)
Power outlet
Other flights you might be interested in
Discover popular routes and great deals tailored for you.