United AirlinesUA50% on time
Flights UA637 08:25 Mo Th Fr Su · UA2746 12:35 daily · UA2337 18:00 daily
live
Direct flights from Washington (IAD) to Austin (AUS): 7 nonstop departures observed each week across 1 airline. 50% of the last 6 operated flights arrived within 15 minutes of schedule. The median arrival is 31 minutes late. No cancellations were recorded across the 6 tracked flights. The nonstop covers 2,084 km, an estimated 3 hours 10 minutes in the air. Measured by Pro Flight Search from live flight boards at Washington and Austin. Updated 13 September 2026 at 17:53 UTC.
IAD
Washington
busy · +16
AUS
Austin
smooth · +0
2,084 km · ~3h 10m est.
Runs rough · 1 airline · 7x weekly · nonstop
50% on time
of the last 6 operated IAD → AUS flights arrived within 15 minutes
Median arrival delay is +31 min. 0 of 6 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+31 minacross the last 6 operated legs
Flight time~3h 10mestimated from route distance
Weekly departures7x1 direct airline on the leg
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 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 IAD and AUS: 36% odds of a 15+ minute delay and around +4 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 Washington to Austin route actually runs
Pro Flight Search records official board updates for nonstop IAD to AUS 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 — Washington (IAD) to Austin (AUS) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/IAD-AUS
IAD to AUS questions
Is IAD–AUS running on time right now?
Mostly on schedule. The departure side at IAD is the weaker end, route health score 81/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on IAD–AUS?
Operators schedule morning departures around 08:25 and evening departures around 18:00 from IAD. Earlier flights typically land before destination-airport delays accumulate later in the day; check the AUS delay card to confirm conditions when you'd arrive.
How long is the flight from IAD to AUS?
Great-circle distance is 2,084 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 177–209 min gate-to-gate on this route.
How often does IAD–AUS fly?
United Airlines runs the route with about 18 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.
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