Chicago to Denver (ORD-DEN): nonstop upgrade & award space

United Airlines, American Airlines, and Frontier Airlines fly nonstop between Chicago (ORD) and Denver (DEN), roughly 185 times a week. With United Airlines running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. 2LNR tracks confirmed upgrade and award space on American Airlines, on every ORD to DEN departure, so you know which flights have space before you book.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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185
Nonstop flights a week
887 mi
Nonstop distance
Free
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Chicago to Denver flight schedule

Scheduled nonstop departures for ORD to DEN, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Chicago (ORD) to Denver (DEN)
Date Flight Airline Departs ORD Arrives DEN Duration Aircraft
UA 2666United Airlines05:0006:392h 39m32Q
UA 2806United Airlines06:0007:392h 39m32Q
AA 1747American Airlines06:4508:282h 43m319
UA 1217United Airlines07:0008:472h 47m32Q
UA 1885United Airlines08:4010:322h 52m32Q
UA 2139United Airlines08:4010:322h 52m32Q
AA 2363American Airlines10:0011:432h 43m319
UA 536United Airlines10:5512:452h 50m32Q
AA 1277American Airlines11:5813:412h 43m320
UA 2809United Airlines12:4514:312h 46m32Q
UA 2324United Airlines13:3015:172h 47m7M9
UA 2803United Airlines14:3216:242h 52m32Q
F9 3171Frontier Airlines14:4116:453h 4m321
AA 1317American Airlines15:0816:532h 45m738
AA 1734American Airlines15:1517:002h 45m738
UA 2769United Airlines15:5617:563h32Q
UA 2119United Airlines16:2618:252h 59m739
UA 2415United Airlines16:2618:252h 59m739
UA 1974United Airlines17:5119:452h 54m32Q
UA 329United Airlines19:5021:442h 54m32Q
UA 1046United Airlines20:2022:132h 53m7M9
UA 1161United Airlines21:3523:292h 54m32Q
UA 767United Airlines21:3523:292h 54m32Q
AA 1387American Airlines22:1523:592h 44m738
UA 2666United Airlines05:0006:392h 39m32Q
UA 2806United Airlines05:5507:342h 39m32Q
F9 1483Frontier Airlines06:3008:152h 45m32Q
AA 3964American Airlines06:4508:372h 52mE75
UA 1217United Airlines07:0008:472h 47m32Q
AA 1225American Airlines08:1210:022h 50m319
UA 1885United Airlines08:4010:322h 52m32Q
UA 2139United Airlines08:4010:322h 52m32Q
AA 2363American Airlines09:4511:352h 50m738
UA 536United Airlines10:5512:452h 50m32Q
F9 3171Frontier Airlines11:0613:002h 54m32N
AA 1277American Airlines11:5913:472h 48m319
UA 2809United Airlines12:4514:312h 46m32Q
UA 2324United Airlines13:3015:172h 47m32Q
UA 2803United Airlines14:3216:242h 52m32Q
AA 1317American Airlines15:1016:572h 47m738

Showing the first 40 of 183 scheduled ORD to DEN departures across the next 7 days with service. Every remaining date is on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every ORD to DEN date on the interactive map

Confirmed upgrade & award space on ORD to DEN departures

2LNR tracks confirmed upgrade and award space on American Airlines, segment by segment and date by date. Open the calendar for Chicago to Denver to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each ORD to DEN departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See ORD to DEN on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Chicago to Denver nonstop

Carriers operating ORD to DEN nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See ORD to DEN on the interactive map →

Frequently asked questions about ORD to DEN

How far is Denver from Chicago?
ORD to DEN covers about 887 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from ORD to DEN?
United Airlines, American Airlines, and Frontier Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on American Airlines.
How many flights a week are there from ORD to DEN?
About 185 nonstop flights a week run between Chicago and Denver in the current schedule, operated by United Airlines, American Airlines, and Frontier Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from ORD to DEN depart?
Scheduled ORD to DEN nonstops in the next 7 days with service leave between 05:00 and 22:15, local time at Chicago. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on ORD to DEN?
Open the ORD to DEN route on the interactive map or the matrix to see confirmed upgrade and award space by date on American Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss ORD to DEN upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

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