| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 09 | CHA | ORD | 06:00 | 06:59 |
Scheduled
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Track > |
| Oct 08 | CHA | ORD | 06:00 | 06:59 |
Scheduled
|
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| Sep 25 | CHA | ORD | 06:16 | 06:59 |
En-Route
|
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| Sep 23 | CHA | ORD | 06:00 | 07:04 |
Delayed >2h
|
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| Sep 02 | CHA | ORD | 06:15 | 07:20 |
Delayed >3h
|
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| Aug 11 | CHA | ORD | 06:15 | 07:20 |
Delayed
|
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| Aug 06 | CHA | ORD | 06:00 | 06:59 |
Scheduled
|
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| Jul 30 | CHA | ORD | 06:12 | 06:33 |
Landed
|
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| Jul 29 | CHA | ORD | 06:39 | 07:06 |
Landed
|
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| Jul 28 | CHA | ORD | 06:25 | 06:54 |
Landed
|
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United Airlines Flight UA4540 connects Chattanooga, United States to Chicago, United States, taking off from Chattanooga Metropolitan Airport CHA and landing at Chicago O'Hare International Airport ORD.
How long is the UA4540 flight from Chattanooga to Chicago?
The average flight time from Chattanooga to Chicago is 1 hour and 25 minutes. The flight distance is 807 km / 501 miles and the average flight speed is 449 km/h / 279 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4540 Chattanooga to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA4540 is 5/5 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 Friday, October 9th, 2026 with the flight status being Scheduled on 06:59.
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, 10% of all UA4540 flights are delayed. The average delay is 7 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.
Other flights departing from Chattanooga CHA: 9E4652, 9E4890, G74540, OH5084
Other flights arriving at Chicago ORD: G74540, AA2097, YX4725, MQ3721
All flights connecting Chattanooga CHA to Chicago ORD.
