| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 18 | LAX | ORD | 00:22 | 06:12 |
Landed
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| May 16 | LAX | ORD | 00:27 | 05:59 |
Landed
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| May 15 | LAX | ORD | 00:32 | 06:08 |
Landed
|
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| May 14 | LAX | ORD | 00:28 | 06:06 |
Landed
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| May 12 | LAX | ORD | 00:18 | 05:51 |
Landed
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| May 11 | LAX | ORD | 00:23 | 05:58 |
Landed
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| May 09 | LAX | ORD | 00:31 | 06:00 |
Landed
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| May 07 | LAX | ORD | 00:07 | 06:02 |
Unknown
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| Apr 30 | LAX | ORD | 00:30 | 05:50 |
En-Route
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United Airlines Flight UA1643 connects Los Angeles, United States to Chicago, United States, taking off from Los Angeles International Airport LAX and landing at Chicago O'Hare International Airport ORD.
How long is the UA1643 flight from Los Angeles to Chicago?
The average flight time from Los Angeles to Chicago is 3 hours and 36 minutes. The flight distance is 2802 km / 1741 miles and the average flight speed is 778 km/h / 484 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA1643 Los Angeles to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA1643 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA1643 arriving at?
Flight UA1643 arrives at Chicago O'Hare International Airport (ORD) Terminal 1.
When was the latest UA1643 flight?
The latest flight took off on Monday, May 18th, 2026 with the flight status being Landed on 06:12.
How else can the flight UA1643 be referenced as?
This United Airlines flight can also be referenced as UAL1643, UA 1643, UAL 1643.
How often is flight UA1643 delayed?
On average, 0% of all UA1643 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA1643 flight or baggage issues?
If your UA1643 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 UA1643 Flight Tracker above for more details.
Flight UA1643 is code-shared by 3 airlines using the flight numbers AC5116, NZ9661, VA8553
Other flights departing from Los Angeles LAX: UA341, UA2372, AA980, AA2490
Other flights arriving at Chicago ORD: 5Y8532, UA2056, UA4543, UA5560
All flights connecting Los Angeles LAX to Chicago ORD.
