| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 23 | RFD | DEN | 12:25 | 13:24 |
Delayed
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United Airlines Flight UA3878 connects Chicago, United States to Denver, United States, taking off from Chicago Rockford International Airport RFD and landing at Denver International Airport DEN.
How long is the UA3878 flight from Chicago to Denver?
The average flight time from Chicago to Denver is 1 hour and 59 minutes. The flight distance is 1330 km / 826 miles and the average flight speed is 671 km/h / 417 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3878 Chicago to Denver?
The Airportia On-Time Performance Rating for United Airlines Flight UA3878 is 3/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA3878 flight?
The latest flight took off on Tuesday, June 23rd, 2026 with the flight status being En-Route on 13:24.
How else can the flight UA3878 be referenced as?
This United Airlines flight can also be referenced as UAL3878, UA 3878, UAL 3878.
How often is flight UA3878 delayed?
On average, 100% of all UA3878 flights are delayed. The average delay is 118 minutes.
Can I get compensation for my delayed or cancelled UA3878 flight or baggage issues?
If your UA3878 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 UA3878 Flight Tracker above for more details.
Other flights departing from Chicago RFD: UA3876, 5Y8319, G4908, AA6574
Other flights arriving at Denver DEN: Y41760, AA3312, AA1757, WN3145
All flights connecting Chicago RFD to Denver DEN.