| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 25 | ATL | ORD | 12:48 | 13:23 |
Landed
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| Jun 24 | ATL | ORD | 12:54 | 13:59 |
Landed
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| Jun 23 | ATL | ORD | 12:44 | 13:08 |
Landed
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| Jun 20 | ATL | ORD | 12:46 | 13:17 |
Landed
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| Jun 19 | ATL | ORD | 13:07 | 13:38 |
Landed
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| Jun 18 | ATL | ORD | 12:57 | 13:33 |
Landed
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| Jun 17 | ATL | ORD | 12:52 | 13:16 |
Landed
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| Jun 16 | ATL | ORD | 12:49 | 13:23 |
Landed
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| Jun 13 | ATL | ORD | 12:46 | 13:27 |
Landed
|
Track > |
| Jun 12 | ATL | ORD | 12:52 | 13:23 |
Landed
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Track > |
United Airlines Flight UA400 connects Atlanta, United States to Chicago, United States, taking off from Atlanta Hartsfield-Jackson International Airport ATL and landing at Chicago O'Hare International Airport ORD.
How long is the UA400 flight from Atlanta to Chicago?
The average flight time from Atlanta to Chicago is 1 hour and 35 minutes. The flight distance is 976 km / 607 miles and the average flight speed is 622 km/h / 387 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA400 Atlanta to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA400 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA400 arriving at?
Flight UA400 arrives at Chicago O'Hare International Airport (ORD) Terminal 1.
When was the latest UA400 flight?
The latest flight took off on Wednesday, June 25th, 2025 with the flight status being Landed on 13:23.
How else can the flight UA400 be referenced as?
This United Airlines flight can also be referenced as UAL400, UA0400, UA 400, UAL 400.
How often is flight UA400 delayed?
On average, 0% of all UA400 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA400 flight or baggage issues?
If your UA400 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 UA400 Flight Tracker above for more details.
Flight UA400 is code-shared by 3 airlines using the flight numbers AC3303, LH7445, NZ2022
Other flights departing from Atlanta ATL: AA4389, DL4879, DL5516, DL3952
Other flights arriving at Chicago ORD: UA2226, UA1128, UA4397, LR630
All flights connecting Atlanta ATL to Chicago ORD.
