UA637: United flight 637
Washington Dulles (IAD) → Austin (AUS) · departs 8:30a, lands 11:01a local · Mon, Tue, Wed, Thu, Fri, Sun
The timetable below has every scheduled departure; for today's flight, check United.
An estimate from the published timetable, not live tracking: it cannot know about delays, diversions or cancellations.
Live status at United →The route
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UA637 timetable
Published departure and arrival times, each in its airport's local time, from the flights we sampled Oct 14–20.
| Route | Departs | Arrives | Scheduled | Days |
|---|---|---|---|---|
| IAD → AUSWashington Dulles to Austin | 8:30a | 11:01a | 3h31m | Mon, Tue, Wed, Thu, Fri, Sun |
Other nonstops from Washington Dulles to Austin
The departures either side of UA637. Times are Washington Dulles time.
| Flight | Departs | Days |
|---|---|---|
| This flight UA637 | 8:30a | Mon, Tue, Wed, Thu, Fri, Sun |
| United UA2746 | 12:35p | Daily |
| United UA2337 | 5:33p | Daily |
All 4 flights from IAD to AUS, by time →
Flying back from Austin
United flies Austin to Washington Dulles nonstop 21 times a week, from 7:15a to 5:10p: 7:15a UA525 · 12:25p UA2344 · 5:10p UA376 · every nonstop AUS → IAD →
How UA637 ran in our sample
6 of 6 departures left within 15 minutes of schedule (Oct 14–20). Only flights that departed are counted: cancellations are not in our data.
Aircraft: Boeing 737 MAX 9 on 6 of 6.
What time does UA637 leave Washington Dulles?
UA637 is scheduled to depart Washington Dulles (IAD) at 8:30a (Mon, Tue, Wed, Thu, Fri, Sun), Washington Dulles time, and to land in Austin (AUS) at about 11:01a local time, a scheduled 3h31m. Times are the published ones from the flights we sampled Oct 14–20; check United for today's.
What plane is UA637?
Boeing 737 MAX 9 on 6 of the 6 UA637 flights from IAD we sampled Oct 14–20. Airlines swap aircraft, so the plane on a given day can differ.
Does UA637 fly every day?
In the week we sampled (Oct 14–20), UA637 flew Washington Dulles to Austin on Mon, Tue, Wed, Thu, Fri, Sun.
Is UA637 usually on time?
Of 6 UA637 departures from IAD we sampled Oct 14–20, 6 left within 15 minutes of the scheduled time. That counts only flights that departed — cancellations are not in our data — and one week is a small sample, so treat it as a hint, not a rating.
More United flights from Washington Dulles
Timetable from United departures we observed; UA637 is a United Airlines flight number, and Hop Nonstop is not affiliated with United. Schedules change — confirm with the airline before you travel.