Flights UA3430 06:02 daily · UA3987 10:30 Mo We Th Fr Sa Su · UA4472 10:30 Tu · UA4308 15:04 Sa
Direct flights from Columbus (CMH) to Washington (IAD): 7 nonstop departures observed each week across 1 airline. 55% of the last 11 operated flights arrived within 15 minutes of schedule. The median arrival is 15 minutes late. No cancellations were recorded across the 11 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 17 October 2026 at 12:52 UTC.
Today, CMH → IAD
Sat 17 Oct · local times- 06:02 UA3430United Sched 06:02Departure not confirmed by the board IAD est. 06:57sched 07:27
- 10:30 UA3987United On scheduleGate B29 ·
- 15:04 UA4308United On scheduleGate B35 ·
- 19:06 UA3755United On schedule ·
- 19:59 UA4533United On scheduleGate B34 ·
Checked CMH board 08:52 · IAD board 06:18
of the last 11 operated CMH → IAD flights arrived within 15 minutes
Median arrival delay is +15 min. 0 of 11 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
The week
scheduled departures · origin local timeEach 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 outcomesActual 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: 38% odds of a 15+ minute delay and around +9 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
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — Columbus (CMH) to Washington (IAD) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/CMH-IAD
CMH to IAD questions
Is CMH–IAD running on time right now?
Significant delay risk. The departure side at CMH is the weaker end, route health score 50/100. 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 06:02 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.