Dayton to Washington (DAY-IAD): nonstop flights and who flies them

United Airlines flies nonstop between Dayton (DAY) and Washington (IAD), roughly 18 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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18
Nonstop flights a week
367 mi
Nonstop distance
Free
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Dayton to Washington flight schedule

Scheduled nonstop departures for DAY to IAD, 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 Dayton (DAY) to Washington (IAD)
Date Flight Airline Departs DAY Arrives IAD Duration Aircraft
UA 4550United Airlines10:2211:541h 32mCR5
UA 4353United Airlines14:5016:231h 33mERJ
UA 4824United Airlines14:5016:231h 33mERJ
UA 4188United Airlines19:4821:231h 35mCR5
UA 4550United Airlines10:2211:541h 32mCR5
UA 4187United Airlines14:5016:221h 32mCR5
UA 4188United Airlines19:4821:231h 35mCR5
UA 4550United Airlines10:2211:541h 32mCR5
UA 4187United Airlines14:5016:221h 32mCR5
UA 4188United Airlines19:4821:231h 35mCR5
UA 4550United Airlines10:2211:541h 32mCR5
UA 4187United Airlines14:5016:221h 32mCR5
UA 4188United Airlines19:4821:231h 35mCR5
UA 4187United Airlines14:5016:221h 32mCR5
UA 4188United Airlines19:4821:231h 35mCR5
UA 4550United Airlines10:2211:541h 32mCR5
UA 4187United Airlines14:5016:221h 32mCR5
UA 4188United Airlines19:4821:231h 35mCR5
UA 4550United Airlines10:2211:541h 32mCR5
UA 4187United Airlines14:5016:221h 32mCR5
UA 4188United Airlines19:4821:231h 35mCR5

Showing all 21 scheduled DAY to IAD departures across the next 7 days with service. Later dates are 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 DAY to IAD date on the interactive map

The full DAY to IAD nonstop schedule

United Airlines fly the route nonstop in 2LNR's schedule data. This page carries the full DAY to IAD 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 DAY to IAD 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 DAY to IAD on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Dayton to Washington nonstop

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

See DAY to IAD on the interactive map →

Frequently asked questions about DAY to IAD

How far is Washington from Dayton?
DAY to IAD covers about 367 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 DAY to IAD?
United Airlines is currently the only airline flying DAY to IAD nonstop. None of them is a carrier 2LNR reads inventory for, so this page carries the DAY to IAD schedule rather than a space claim.
How many flights a week are there from DAY to IAD?
About 18 nonstop flights a week run between Dayton and Washington 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 DAY to IAD depart?
Scheduled DAY to IAD nonstops in the next 7 days with service leave between 10:22 and 19:48, local time at Dayton. 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 DAY to IAD?
Not on this route: none of United Airlines is a carrier 2LNR reads inventory for. The page carries the full DAY to IAD nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full DAY to IAD 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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