| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 05 | IAD | ORD | 22:31 | 23:05 |
Landed
|
Track > |
| Oct 04 | IAD | ORD | 23:09 | 23:57 |
Landed
|
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| Oct 03 | IAD | ORD | 22:37 | 23:11 |
Landed
|
Track > |
| Oct 02 | IAD | ORD | 22:49 | 23:20 |
Landed
|
Track > |
| Oct 01 | IAD | ORD | 01:06 | 01:35 |
Delayed
|
Track > |
| Sep 30 | IAD | ORD | 22:36 | 23:05 |
Landed
|
Track > |
| Sep 29 | IAD | ORD | 23:08 | 23:40 |
Landed
|
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| Sep 28 | IAD | ORD | 22:50 | 23:15 |
Landed
|
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| Sep 27 | IAD | ORD | 22:58 | 23:26 |
Landed
|
Track > |
| Sep 26 | IAD | ORD | 22:26 | 22:51 |
Landed
|
Track > |
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 31 minutes. The flight distance is 945 km / 587 miles and the average flight speed is 622 km/h / 387 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 4.8/5 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 Tuesday, October 6th, 2026 with the flight status being Landed on 23:05.
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, 30% of all UA421 flights are delayed. The average delay is 48 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.
Flight UA421 is code-shared by 2 airlines using the flight numbers AC4420, NZ2456
Other flights departing from Washington IAD: UA1463, UA2018, UA3515, YX3515
Other flights arriving at Chicago ORD: DL1634, AA2634, YX4516, GB16
All flights connecting Washington IAD to Chicago ORD.