Washington to Denver (IAD-DEN): nonstop flights and who flies them

United Airlines flies nonstop between Washington (IAD) and Denver (DEN), roughly 77 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. United Airlines fly the route nonstop in 2LNR's schedule data; the timetable and the reverse direction are below.

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

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77
Nonstop flights a week
1,450 mi
Nonstop distance
Free
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Washington to Denver flight schedule

Scheduled nonstop departures for IAD 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 Washington (IAD) to Denver (DEN)
Date Flight Airline Departs IAD Arrives DEN Duration Aircraft
UA 1882United Airlines08:1510:093h 54m32Q
UA 792United Airlines08:1510:093h 54m32Q
UA 1865United Airlines10:1012:013h 51m753
UA 1587United Airlines12:5014:393h 49m739
UA 1126United Airlines14:4316:333h 50m32Q
UA 1249United Airlines16:1518:154h739
UA 1490United Airlines16:1518:154h739
UA 599United Airlines17:2619:334h 7m32Q
UA 495United Airlines22:3400:303h 56m32Q
UA 1561United Airlines06:3008:243h 54m32Q
UA 1882United Airlines08:1510:093h 54m32Q
UA 792United Airlines08:1510:093h 54m32Q
UA 1865United Airlines10:1012:013h 51m753
UA 1587United Airlines12:5014:393h 49m739
UA 1126United Airlines14:4316:333h 50m32Q
UA 1249United Airlines16:1518:154h739
UA 1490United Airlines16:1518:154h739
UA 599United Airlines17:2619:334h 7m32Q
UA 1328United Airlines19:2021:163h 56m32Q
UA 495United Airlines22:3400:303h 56m32Q
UA 1561United Airlines06:3008:243h 54m32Q
UA 1882United Airlines08:1510:093h 54m32Q
UA 792United Airlines08:1510:093h 54m32Q
UA 1865United Airlines10:1012:013h 51m753
UA 1587United Airlines12:5014:393h 49m739
UA 1126United Airlines14:4316:333h 50m32Q
UA 1249United Airlines16:1518:154h739
UA 1490United Airlines16:1518:154h739
UA 599United Airlines17:2619:334h 7m32Q
UA 1328United Airlines19:2021:163h 56m32Q
UA 495United Airlines22:3400:303h 56m32Q
UA 1882United Airlines08:1510:093h 54m32Q
UA 792United Airlines08:1510:093h 54m32Q
UA 1865United Airlines10:1012:013h 51m753
UA 1587United Airlines12:5014:403h 50m32Q
UA 1126United Airlines14:4316:333h 50m32Q
UA 1249United Airlines16:1518:154h739
UA 1490United Airlines16:1518:154h739
UA 599United Airlines17:2619:334h 7m32Q
UA 495United Airlines22:3400:303h 56m32Q

Showing the first 40 of 71 scheduled IAD 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 IAD to DEN date on the interactive map

The full IAD to DEN nonstop schedule

United Airlines fly the route nonstop in 2LNR's schedule data. This page carries the full IAD to DEN nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below.

See real availability

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

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

Airlines flying Washington to Denver nonstop

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

See IAD to DEN on the interactive map →

Frequently asked questions about IAD to DEN

How far is Denver from Washington?
IAD to DEN covers about 1,450 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 IAD to DEN?
United Airlines is currently the only airline flying IAD to DEN nonstop. None of them is a carrier 2LNR reads inventory for, so this page carries the IAD to DEN schedule rather than a space claim.
How many flights a week are there from IAD to DEN?
About 77 nonstop flights a week run between Washington and Denver in the current schedule, operated by United Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from IAD to DEN depart?
Scheduled IAD to DEN nonstops in the next 7 days with service leave between 06:30 and 22:34, local time at Washington. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
Does 2LNR show upgrade or award space on IAD to DEN?
Not on this route: none of United Airlines is a carrier 2LNR reads inventory for. The page carries the full IAD to DEN nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full IAD to DEN nonstop schedule

Every scheduled departure on this route, with who flies it. On the routes 2LNR does read inventory for, upgrade and award space shows by date, the next 14 days free on every product and the full horizon on Pro.

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