UA581 Flight Status United Airlines: Chicago to Denver (UAL581)

Are you looking for the November 14th, 2026 UA 581 San Francisco to Reno flight? Go to our UA581 San Francisco to Reno Flight Status page >

UA 581 Chicago to Denver Flight Status

Not scheduled today (November 14th, 2026). Latest flight: August 10th, 2026 ; recent history is in the table below.

UA 581 Flight Status & Schedule United Airlines Chicago to Denver

Date From To Departure Arrival Status Details
Aug 10 ORD DEN 11:09 12:18 Landed Track >
Aug 09 ORD DEN 11:20 12:26 Landed Track >
Aug 08 ORD DEN 11:32 12:36 Landed Track >
Aug 07 ORD DEN 11:40 12:40 Landed Track >
Aug 06 ORD DEN 11:24 12:32 Landed Track >
Aug 05 ORD DEN 11:02 12:21 Landed Track >
Aug 04 ORD DEN 11:34 12:49 Landed Track >
Aug 03 ORD DEN 11:08 12:15 Landed Track >
Aug 02 ORD DEN 11:11 12:11 Landed Track >
Aug 01 ORD DEN 11:21 12:22 Landed Track >

United Airlines' Chicago–Denver flight covers 1,426 km (886 mi). The timetable allows 2 h 51 min, but the flight usually takes about 2 h 5 min, so it often makes up time. It is not flying today; the last flight, on 10 August 2026, landed on time.

< All Chicago ORD Departures All Denver DEN Arrivals >

About UA 581

United Airlines Flight UA581 connects Chicago, United States to Denver, United States, taking off from Chicago O'Hare International Airport ORD and landing at Denver International Airport DEN.

Route
Chicago O'Hare International Airport ORD to Denver International Airport DEN
Distance
1,426 km (886 mi)
Typical flight time
2 h 5 min
On time
10 of the last 10
Usually departs from
Terminal 1

UA 581 FAQ

How long is the UA581 flight from Chicago to Denver?
The timetable allows 2 h 51 min. Chicago to Denver is 1,426 km (886 mi).
How often is UA581 from Chicago to Denver late?
None of the last 10 flights arrived 15 or more minutes late.
When was the latest UA581 flight from Chicago to Denver?
The latest UA581 was the 10:54 (local time) departure from Chicago on 10 August 2026; it landed 27 minutes early.
Which terminal does UA581 use?
It usually leaves from Terminal 1 at Chicago O'Hare International Airport (ORD). Check the flight card above for today's terminal and gate.
What other flight numbers does UA581 have?
Also listed as UAL581 (United Airlines' ICAO code) and UA 581.

UA581 and Chicago ORD to Denver DEN Flights

Flight UA581 is code-shared by 1 airline using the flight number AC4720

Other flights departing from Chicago ORD: UA5473, UA3690, OO5473, YX3690

Other flights arriving at Denver DEN: OO5288, UA2232

All flights connecting Chicago ORD to Denver DEN.