United AirlinesUA82% on time
Flights UA3430 06:00 daily · UA3998 10:30 daily · UA1338 varies daily · UA1273 19:59 daily
live
Direct flights from Columbus (CMH) to Washington (IAD): 7 nonstop departures observed each week across 1 airline. 69% of the last 13 operated flights arrived within 15 minutes of schedule. The median arrival is 8 minutes early. No cancellations were recorded across the 13 tracked flights. The nonstop covers 481 km, an estimated 1 hour 7 minutes in the air. Measured by Pro Flight Search from live flight boards at Columbus and Washington. Updated 16 September 2026 at 17:20 UTC.
CMH
Columbus
busy · +20
IAD
Washington
smooth · +0
481 km · ~1h 07m est.
Runs mixed · 1 airline · 7x weekly · nonstop
69% on time
of the last 13 operated CMH → IAD flights arrived within 15 minutes
Median arrival delay is −8 min. 0 of 13 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−8 minacross the last 13 operated legs
Flight time~1h 07mestimated from route distance
Weekly departures7x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 13
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
United Airlines
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysHistory
operated legs · board outcomes09-15YV3998arrived+23
09-14YV3998arrived+20
Actual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at CMH: 39% odds of a 15+ minute delay and around +10 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the Columbus to Washington route actually runs
Pro Flight Search records official board updates for nonstop CMH to IAD flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — Columbus (CMH) to Washington (IAD) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/CMH-IAD
CMH to IAD questions
Is CMH–IAD running on time right now?
Smooth skies ahead. The departure side at CMH is the weaker end, route health score 87/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on CMH–IAD?
Operators schedule morning departures around 06:00 and evening departures around 19:59 from CMH. Earlier flights typically land before destination-airport delays accumulate later in the day; check the IAD delay card to confirm conditions when you'd arrive.
How long is the flight from CMH to IAD?
Great-circle distance is 481 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 64–71 min gate-to-gate on this route.
How often does CMH–IAD fly?
United Airlines runs the route with about 28 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.
.