UA 1878 Chicago to Washington Flight Status

United Airlines Flight UA1878 from Chicago O'Hare International Airport ORD to Washington Dulles International Airport IAD is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on September 1st, 2025.
Check the table below for UA1878's most recent flight history:

UA 1878 Flight Status & Schedule

Date Departure Arrival Status
Sep 01 12:03 14:26
Landed
Track >
Aug 31 11:49 14:15
Landed
Track >
Aug 30 11:44 14:04
Landed
Track >
Aug 29 11:51 14:11
Landed
Track >
Aug 27 11:46 14:06
Landed
Track >

United Airlines UA 1878 Chicago to Washington Flight Information

United Airlines Flight UA1878 connects Chicago, United States to Washington, United States, taking off from Chicago O'Hare International Airport ORD and landing at Washington Dulles International Airport IAD.

How long is the UA1878 flight from Chicago to Washington?

The average flight time from Chicago to Washington is 1 hour and 21 minutes. The flight distance is 945 km / 587 miles and the average flight speed is 700 km/h / 435 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA1878 Chicago to Washington?

The Airportia On-Time Performance Rating for United Airlines Flight UA1878 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA1878 flight?

The latest flight took off on Monday, September 1st, 2025 with the flight status being Landed on 14:26.

How else can the flight UA1878 be referenced as?

This United Airlines flight can also be referenced as UAL1878, UA 1878, UAL 1878.

How often is flight UA1878 delayed?

On average, 11% of all UA1878 flights are delayed. The average delay is 7 minutes.

Can I get compensation for my delayed or cancelled UA1878 flight or baggage issues?

If your UA1878 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 UA1878 Flight Tracker above for more details.

UA1878 and Chicago ORD to Washington IAD Flights

Flight UA1878 is code-shared by 2 airlines using the flight numbers AC3626, CM2637

Other flights departing from Chicago ORD: AA4375, AA6478, AA3461, AA2461

Other flights arriving at Washington IAD: UA2241, UA2692, UA3570, G41397

All flights connecting Chicago ORD to Washington IAD.

UA1878 United Airlines Flight: Chicago to Washington Route Map

UA1878 United Airlines Flight Map: Chicago to Washington
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.