| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 31 | LAS | ORD | 00:49 | 06:14 |
Landed
|
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| May 25 | LAS | ORD | 00:29 | 05:35 |
Landed
|
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| May 24 | LAS | ORD | 00:41 | 05:56 |
Landed
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| May 21 | LAS | ORD | 00:50 | 05:55 |
Landed
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| Feb 10 | LAS | ORD | 00:33 | 05:33 |
Landed
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| Feb 09 | LAS | ORD | 00:40 | 05:40 |
Landed
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| Feb 08 | LAS | ORD | 00:45 | 05:53 |
Landed
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| Feb 07 | LAS | ORD | 00:37 | 05:33 |
Landed
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| Feb 06 | LAS | ORD | 00:39 | 05:49 |
Landed
|
Track > |
| Feb 03 | LAS | ORD | 00:35 | 05:35 |
Landed
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Track > |
United Airlines Flight UA1231 connects Las Vegas, United States to Chicago, United States, taking off from Las Vegas McCarran International Airport LAS and landing at Chicago O'Hare International Airport ORD.
How long is the UA1231 flight from Las Vegas to Chicago?
The average flight time from Las Vegas to Chicago is 3 hours and 6 minutes. The flight distance is 2431 km / 1511 miles and the average flight speed is 784 km/h / 487 mph.
How many UA1231 flights are operated per week?
1 flight per week. The flight UA1231 is operated on Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA1231 Las Vegas to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA1231 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA1231 arriving at?
Flight UA1231 arrives at Chicago O'Hare International Airport (ORD) Terminal 1.
When was the latest UA1231 flight?
The latest flight took off on Sunday, May 31st, 2026 with the flight status being Landed on 06:14.
How else can the flight UA1231 be referenced as?
This United Airlines flight can also be referenced as UAL1231, UA 1231, UAL 1231.
How often is flight UA1231 delayed?
On average, 0% of all UA1231 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA1231 flight or baggage issues?
If your UA1231 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 UA1231 Flight Tracker above for more details.
Flight UA1231 is code-shared by 1 airline using the flight number AC3347
Other flights departing from Las Vegas LAS: DL2834, F94278, CM253, DL857
Other flights arriving at Chicago ORD: AS328, UA4179, AA1391, UA3479
All flights connecting Las Vegas LAS to Chicago ORD.