| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Dec 15 | ORD | IAD | 21:23 | 23:36 |
Landed
|
Track > |
| Dec 12 | ORD | IAD | 21:32 | 23:44 |
Landed
|
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| Dec 11 | ORD | IAD | 22:18 | 00:33 |
Landed Late
|
Track > |
| Dec 08 | ORD | IAD | 21:38 | 23:57 |
Landed
|
Track > |
| Dec 05 | ORD | IAD | 22:16 | 00:32 |
Landed Late
|
Track > |
| Dec 04 | ORD | IAD | 21:23 | 23:40 |
Landed
|
Track > |
United Airlines Flight UA1639 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 UA1639 flight from Chicago to Washington?
The average flight time from Chicago to Washington is 1 hour and 15 minutes. The flight distance is 945 km / 587 miles and the average flight speed is 753 km/h / 468 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA1639 Chicago to Washington?
The Airportia On-Time Performance Rating for United Airlines Flight UA1639 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA1639 flight?
The latest flight took off on Tuesday, December 16th, 2025 with the flight status being Landed on 23:36.
How else can the flight UA1639 be referenced as?
This United Airlines flight can also be referenced as UAL1639, UA 1639, UAL 1639.
How often is flight UA1639 delayed?
On average, 50% of all UA1639 flights are delayed. The average delay is 25 minutes.
Can I get compensation for my delayed or cancelled UA1639 flight or baggage issues?
If your UA1639 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 UA1639 Flight Tracker above for more details.
Flight UA1639 is code-shared by 3 airlines using the flight numbers AC3015, CM2637, NZ2455
Other flights departing from Chicago ORD: AA4401, UA3572, AA4077, AA4992
Other flights arriving at Washington IAD: UA1245, DL4688, UA1950, DL3583
All flights connecting Chicago ORD to Washington IAD.