| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 19 | IAD | ORD | 22:27 | 23:40 |
Delayed
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| Aug 18 | IAD | ORD | 22:56 | 23:42 |
Landed
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| Aug 17 | IAD | ORD | 22:46 | 23:17 |
Landed
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| Aug 16 | IAD | ORD | 23:32 | 00:04 |
Landed Late
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| Aug 15 | IAD | ORD | 23:12 | 23:33 |
Landed
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| Aug 14 | IAD | ORD | 22:54 | 23:29 |
Landed
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| Aug 13 | IAD | ORD | 23:25 | 00:24 |
Delayed
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| Aug 12 | IAD | ORD | 22:50 | 23:22 |
Landed
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| Aug 11 | IAD | ORD | 22:39 | 23:09 |
Landed
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United Airlines Flight UA421 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 UA421 flight from Washington to Chicago?
The average flight time from Washington to Chicago is 1 hour and 35 minutes. The flight distance is 945 km / 587 miles and the average flight speed is 580 km/h / 360 mph.
How many UA421 flights are operated per week?
7 flights per week. The flight UA421 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA421 Washington to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA421 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA421 arriving at?
Flight UA421 arrives at Chicago O'Hare International Airport (ORD) Terminal 1.
When was the latest UA421 flight?
The latest flight took off on Thursday, August 20th, 2026 with the flight status being Scheduled on 23:40.
How else can the flight UA421 be referenced as?
This United Airlines flight can also be referenced as UAL421, UA0421, UA 421, UAL 421.
How often is flight UA421 delayed?
On average, 33% of all UA421 flights are delayed. The average delay is 22 minutes.
Can I get compensation for my delayed or cancelled UA421 flight or baggage issues?
If your UA421 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 UA421 Flight Tracker above for more details.
Other flights departing from Washington IAD: UA444, UA1463, UA861, C54849
Other flights arriving at Chicago ORD: KJ248, B6863, Y87466, AA2668
All flights connecting Washington IAD to Chicago ORD.