| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 18 | MEM | ORD | 08:26 | 10:07 |
Landed Late
|
Track > |
| May 17 | MEM | ORD | 08:09 | 09:30 |
Landed
|
Track > |
| May 16 | MEM | ORD | 08:05 | 09:36 |
Landed
|
Track > |
| May 15 | MEM | ORD | 08:00 | 09:28 |
Landed
|
Track > |
| May 14 | MEM | ORD | 08:08 | 09:41 |
Landed
|
Track > |
| May 11 | MEM | ORD | 08:15 | 09:43 |
Landed
|
Track > |
| May 10 | MEM | ORD | 07:59 | 09:25 |
Landed
|
Track > |
| May 09 | MEM | ORD | 07:58 | 09:28 |
Landed
|
Track > |
| May 07 | MEM | ORD | 07:45 | 09:35 |
Unknown
|
Track > |
| May 04 | MEM | ORD | 07:41 | 10:12 |
Unknown
|
Track > |
United Airlines Flight UA5666 connects Memphis, United States to Chicago, United States, taking off from Memphis International Airport MEM and landing at Chicago O'Hare International Airport ORD.
How long is the UA5666 flight from Memphis to Chicago?
The average flight time from Memphis to Chicago is 1 hour and 37 minutes. The flight distance is 792 km / 492 miles and the average flight speed is 500 km/h / 310 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA5666 Memphis to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA5666 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA5666 arriving at?
Flight UA5666 arrives at Chicago O'Hare International Airport (ORD) Terminal 2.
When was the latest UA5666 flight?
The latest flight took off on Monday, May 18th, 2026 with the flight status being Landed on 10:07.
How else can the flight UA5666 be referenced as?
This United Airlines flight can also be referenced as UAL5666, UA 5666, UAL 5666.
How often is flight UA5666 delayed?
On average, 20% of all UA5666 flights are delayed. The average delay is 19 minutes.
Can I get compensation for my delayed or cancelled UA5666 flight or baggage issues?
If your UA5666 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 UA5666 Flight Tracker above for more details.
Flight UA5666 is code-shared by 3 airlines using the flight numbers AC3661, NH6515, NZ2608
Other flights departing from Memphis MEM: AA1846, AA3715, G42859, AA2576
Other flights arriving at Chicago ORD: UA5830, UA786, UA3565, UA3552
All flights connecting Memphis MEM to Chicago ORD.