UA 1634 Chicago to Washington Flight Status

United Airlines Flight UA1634 from Chicago O'Hare International Airport ORD to Washington Dulles International Airport IAD is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on August 18th, 2025.
Check the table below for UA1634's most recent flight history:

UA 1634 Flight Status & Schedule

Date Departure Arrival Status
Aug 18 15:43 18:06
Landed Late
Track >
Aug 17 14:46 17:07
Landed
Track >
Aug 16 15:09 17:29
Landed
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Aug 15 15:02 17:21
Landed
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Aug 14 14:47 17:13
Landed
Track >

United Airlines UA 1634 Chicago to Washington Flight Information

United Airlines Flight UA1634 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 UA1634 flight from Chicago to Washington?

The average flight time from Chicago to Washington is 1 hour and 23 minutes. The flight distance is 945 km / 587 miles and the average flight speed is 637 km/h / 396 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA1634 Chicago to Washington?

The Airportia On-Time Performance Rating for United Airlines Flight UA1634 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA1634 flight?

The latest flight took off on Monday, August 18th, 2025 with the flight status being Landed on 18:06.

How else can the flight UA1634 be referenced as?

This United Airlines flight can also be referenced as UAL1634, UA 1634, UAL 1634.

How often is flight UA1634 delayed?

On average, 20% of all UA1634 flights are delayed. The average delay is 29 minutes.

Can I get compensation for my delayed or cancelled UA1634 flight or baggage issues?

If your UA1634 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 UA1634 Flight Tracker above for more details.

UA1634 and Chicago ORD to Washington IAD Flights

Flight UA1634 is code-shared by 2 airlines using the flight numbers AC4435, NZ2449

Other flights departing from Chicago ORD: UA2343, AA4434, UA2370, UA4718

Other flights arriving at Washington IAD: UA1424, DL4858, AS434, UA215

All flights connecting Chicago ORD to Washington IAD.

UA1634 United Airlines Flight: Chicago to Washington Route Map

UA1634 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.