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UA 4540 Columbia to Chicago Flight Status

United Airlines Flight UA4540 from Columbia Metropolitan Airport CAE to Chicago O'Hare International Airport ORD is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on April 29th, 2026.
Check the table below for UA4540's most recent flight history:

UA 4540 Flight Status & Schedule

Date Departure Arrival Status
Apr 29 19:19 20:07
Delayed
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Apr 28 17:49 18:42
Landed
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Apr 27 17:35 19:05
Cancelled
Track >
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Apr 26 17:38 18:30
Landed
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Apr 25 18:29 19:15
Landed
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United Airlines UA 4540 Columbia to Chicago Flight Information

United Airlines Flight UA4540 connects Columbia, United States to Chicago, United States, taking off from Columbia Metropolitan Airport CAE and landing at Chicago O'Hare International Airport ORD.

How long is the UA4540 flight from Columbia to Chicago?

The average flight time from Columbia to Chicago is 1 hour and 53 minutes. The flight distance is 1073 km / 667 miles and the average flight speed is 562 km/h / 349 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA4540 Columbia to Chicago?

The Airportia On-Time Performance Rating for United Airlines Flight UA4540 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA4540 arriving at?

Flight UA4540 arrives at Chicago O'Hare International Airport (ORD) Terminal 2.

When was the latest UA4540 flight?

The latest flight took off on Thursday, April 30th, 2026 with the flight status being En-Route on 20:07.

How else can the flight UA4540 be referenced as?

This United Airlines flight can also be referenced as UAL4540, UA 4540, UAL 4540.

How often is flight UA4540 delayed?

On average, 50% of all UA4540 flights are delayed. The average delay is 50 minutes.

Can I get compensation for my delayed or cancelled UA4540 flight or baggage issues?

If your UA4540 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 UA4540 Flight Tracker above for more details.

UA4540 and Columbia CAE to Chicago ORD Flights

Flight UA4540 is code-shared by 1 airline using the flight number LH7819

Other flights departing from Columbia CAE: UA4611, S9221, B4712, DL5270

Other flights arriving at Chicago ORD: UA4632, UA5719, OO4943, UA6039

All flights connecting Columbia CAE to Chicago ORD.

UA4540 United Airlines Flight: Columbia to Chicago Route Map

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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.