United UA566 Flight Status Tracker
UA566 is a domestic flight operated by United. UA566 is departing from Ontario (ONT), United States and arriving at Denver (DEN), United States. The flight distance is about 1316.96 km or 818.32 miles and flight time is 4 hours 52 minutes. Get the latest status of UA566 / UAL566 here.
Update on Jan. 14, 2026, 6:29 p.m.
Lastest Status
Departed On time
| ONT | DEN |
Distance: 1316.96 km / 818.32 miles or 711.10 nautical miles.
Departure Ontario International Airport
Actual Departure: 15:56
Scheduled Departure: 16:03
Departure Terminal : N/A Gate None
Arrival Denver International Airport
Estimate Arrival: 19:18
Scheduled Arrival: 19:30
Arrival Terminal : N/A Gate None
Flight UA566 detail information
| Type | Domestic Flight |
| Route | Departure Ontario (ONT), United States and arriving at Denver (DEN), United States |
| Airlines | United (UA) |
| Aircraft | Boeing 737-800 |
| Flight Duration | 4 hours 52 minutes |
| Flight Distance | 1316.96 km /818.32 miles |
| Operating Days | Monday, Wednesday, Thursday, Friday, Sunday |
Find more flight status
UA566 Airports
| Departures |
|---|
| Airport: Ontario International Airport, United States |
| ICAO Code: ONT |
| ONT Current time: 16:35 14-Jan-2026 |
| Arrivals |
| Airport: Denver International Airport, United States |
| ICAO Code: DEN |
| DEN Current time: 17:35 14-Jan-2026 |