UA1126United345 min late
The MIA board at 10:03 shows departure at 14:45 instead of 09:00, gate G16 (TG).
- Later cancelled
- 6.5%of 7,146 past United flights whose board showed 70 min or more late
- Still to leave today
- UA2435 13:25United
live
Direct flights from Miami (MIA) to Washington (IAD): 11 nonstop departures observed each week across 1 airline. 67% of the last 12 tracked flights arrived within 15 minutes of schedule. The median arrival is 21 minutes early. 1 of the 12 tracked flights was cancelled. The nonstop covers 1,486 km, an estimated 2 hours 24 minutes in the air. Measured by Pro Flight Search from live flight boards at Miami and Washington. Updated 15 November 2026 at 15:03 UTC.
Today, MIA → IAD
Sun 15 Nov · local timesChecked MIA board 10:03 · IAD board 10:18
MIA
Miami
busy · +22
IAD
Washington
busy · +16
1,486 km · ~2h 24m est.
Runs mixed · 1 airline · 11x weekly · nonstop
67% on time
of the last 12 tracked MIA → IAD flights arrived within 15 minutes
Median arrival delay is −21 min. 1 of 12 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−21 minacross the last 11 arrivals
Flight time~2h 24mestimated from route distance
Weekly departures11x1 direct airline on the leg
Cancelled8.3%recent route rate · 1 of 12
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 outcomes11-121I762arrived+63
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
Conditions are tightest at MIA and IAD: a 33% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +4 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →
next sweep in 120s
How the Miami to Washington route actually runs
Pro Flight Search records official board updates for nonstop MIA 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: Miami (MIA) to Washington (IAD) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/MIA-IAD
MIA to IAD questions
Is MIA–IAD running on time right now?
Mostly on schedule. The departure side at MIA is the weaker end, route health score 74/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on MIA–IAD?
Operators schedule morning departures around 09:00 from MIA. 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 MIA to IAD?
Great-circle distance is 1,486 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 135–157 min gate-to-gate on this route.
How often does MIA–IAD fly?
United Airlines runs the route with about 11 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.
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