| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 22 | IAD | ORD | 22:30 | 23:01 |
Delayed
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United Airlines Flight UA3873 connects Washington, United States to Chicago, United States, taking off from Washington Dulles International Airport IAD and landing at Chicago O'Hare International Airport ORD.
How long is the UA3873 flight from Washington to Chicago?
The average flight time from Washington to Chicago is 1 hour and 31 minutes. The flight distance is 945 km / 587 miles and the average flight speed is 623 km/h / 387 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3873 Washington to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA3873 is 3.2/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA3873 arriving at?
Flight UA3873 arrives at Chicago O'Hare International Airport (ORD) Terminal 1.
When was the latest UA3873 flight?
The latest flight took off on Wednesday, September 23rd, 2026 with the flight status being En-Route on 23:01.
How else can the flight UA3873 be referenced as?
This United Airlines flight can also be referenced as UAL3873, UA 3873, UAL 3873.
How often is flight UA3873 delayed?
On average, 100% of all UA3873 flights are delayed. The average delay is 108 minutes.
Can I get compensation for my delayed or cancelled UA3873 flight or baggage issues?
If your UA3873 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 UA3873 Flight Tracker above for more details.
Other flights departing from Washington IAD: AS201, LX73, IB376, TA585
Other flights arriving at Chicago ORD: AA1873, UA1582, UA3872, YX4489
All flights connecting Washington IAD to Chicago ORD.