| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 10 | ORD | STL | 00:26 | 01:07 |
Delayed
|
Track > |
United Airlines Flight UA8166 connects Chicago, United States to St. Louis, United States, taking off from Chicago O'Hare International Airport ORD and landing at St. Louis Lambert International Airport STL.
How long is the UA8166 flight from Chicago to St. Louis?
The average flight time from Chicago to St. Louis is 41 minutes. The flight distance is 415 km / 258 miles and the average flight speed is 608 km/h / 378 mph.
How many UA8166 flights are operated per week?
1 flight per week. The flight UA8166 is operated on Thursday.
What is the On-Time Performance (OTP) of United Airlines Flight UA8166 Chicago to St. Louis?
The Airportia On-Time Performance Rating for United Airlines Flight UA8166 is 3.8/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA8166 flight?
The latest flight took off on Thursday, June 11th, 2026 with the flight status being En-Route on 01:07.
How else can the flight UA8166 be referenced as?
This United Airlines flight can also be referenced as UAL8166, UA 8166, UAL 8166.
How often is flight UA8166 delayed?
On average, 100% of all UA8166 flights are delayed. The average delay is 72 minutes.
Can I get compensation for my delayed or cancelled UA8166 flight or baggage issues?
If your UA8166 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 UA8166 Flight Tracker above for more details.
Claim compensation for your flight delay or cancellation!
Flight delays happen, but that doesn’t mean you have to accept them. You may be entitled to as much as 600€ in compensation if your flight has been delayed, cancelled or overbooked within the last three years. Claim Compensation Now >
Other flights departing from Chicago ORD: AS1466, UA1023, UA2144, UA4183
Other flights arriving at St. Louis STL: AA5000, WN1324, DL1403, F92635
All flights connecting Chicago ORD to St. Louis STL.