| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 09 | BOS | IAD | 22:45 | 00:15 |
Delayed
|
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United Airlines Flight UA3781 connects Boston, United States to Washington, United States, taking off from Boston Logan International Airport BOS and landing at Washington Dulles International Airport IAD.
How many UA3781 flights are operated per week?
1 flight per week. The flight UA3781 is operated on Thursday.
What is the On-Time Performance (OTP) of United Airlines Flight UA3781 Boston to Washington?
The Airportia On-Time Performance Rating for United Airlines Flight UA3781 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA3781 flight?
The latest flight took off on Thursday, September 10th, 2026 with the flight status being Scheduled on 00:15.
How else can the flight UA3781 be referenced as?
This United Airlines flight can also be referenced as UAL3781, UA 3781, UAL 3781.
How often is flight UA3781 delayed?
On average, 0% of all UA3781 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA3781 flight or baggage issues?
If your UA3781 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our UA3781 Flight Tracker above for more details.
Other flights departing from Boston BOS: B61079, TP216, IB2626, LL2626
Other flights arriving at Washington IAD: CM448, DL8892, UA1927, F93692
All flights connecting Boston BOS to Washington IAD.