| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | SMF | ORD | 00:08 | 05:37 |
Landed
|
Track > |
| Jan 04 | SMF | ORD | 00:28 | 05:44 |
Landed
|
Track > |
| Jan 03 | SMF | ORD | 00:58 | 06:10 |
Landed
|
Track > |
| Jan 02 | SMF | ORD | 00:30 | 05:52 |
Landed
|
Track > |
| Jan 01 | SMF | ORD | 00:11 | 05:42 |
Landed
|
Track > |
| Dec 30 | SMF | ORD | 00:57 | 06:25 |
Landed Late
|
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| Dec 29 | SMF | ORD | 01:00 | 06:37 |
Landed Late
|
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| Dec 28 | SMF | ORD | 00:18 | 06:14 |
Landed
|
Track > |
| Dec 27 | SMF | ORD | 00:40 | 06:13 |
Landed
|
Track > |
| Dec 26 | SMF | ORD | 00:28 | 05:33 |
Landed
|
Track > |
United Airlines Flight UA400 connects Sacramento, United States to Chicago, United States, taking off from Sacramento International Airport SMF and landing at Chicago O'Hare International Airport ORD.
How long is the UA400 flight from Sacramento to Chicago?
The average flight time from Sacramento to Chicago is 3 hours and 26 minutes. The flight distance is 2859 km / 1777 miles and the average flight speed is 833 km/h / 517 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA400 Sacramento to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA400 is 4.9/5 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 2.
When was the latest UA400 flight?
The latest flight took off on Tuesday, January 6th, 2026 with the flight status being Landed on 05:37.
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, 50% of all UA400 flights are delayed. The average delay is 11 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 1 airline using the flight number AC4832
Other flights departing from Sacramento SMF: WN4371, UA1897, OO6265, AS636
Other flights arriving at Chicago ORD: AA753, NK155, UA1552, UA2445
All flights connecting Sacramento SMF to Chicago ORD.