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United Airlines · SFO → AUS

UA400: United flight 400

San Francisco (SFO) → Austin (AUS) · departs 11:59p, lands 5:46a +1 local · Daily

Right now, if it's on time

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

One hop: SFO → AUS

UA400 timetable

Published departure and arrival times, each in its airport's local time, from the flights we sampled Oct 4–10.

RouteDepartsArrivesScheduledDays
SFO → AUSSan Francisco to Austin 11:59p 5:46a +1 3h47m Daily

Other nonstops from San Francisco to Austin

The departures either side of UA400. Times are San Francisco time.

FlightDepartsDays
United UA21504:19pDaily
United UA23326:25pDaily
Delta DL10776:28pMon, Tue, Wed, Thu, Fri, Sun
This flight UA40011:59pDaily

All 15 flights from SFO to AUS, by time →

Flying back from Austin

United flies Austin to San Francisco nonstop 35 times a week, from 6:27a to 8:01p: 6:27a UA2177 · 9:00a UA1668 · 3:20p UA442 · 6:41p UA292 · 8:01p UA2179 · every nonstop AUS → SFO →

How UA400 ran in our sample

7 of 7 departures left within 15 minutes of schedule (Oct 4–10). Only flights that departed are counted: cancellations are not in our data.

What time does UA400 leave San Francisco?

UA400 is scheduled to depart San Francisco (SFO) at 11:59p (daily), San Francisco time, and to land in Austin (AUS) at about 5:46a the next day local time, a scheduled 3h47m. Times are the published ones from the flights we sampled Oct 4–10; check United for today's.

Does UA400 fly every day?

Yes — UA400 flew San Francisco to Austin every day of the week we sampled (Oct 4–10).

Is UA400 usually on time?

Of 7 UA400 departures from SFO we sampled Oct 4–10, 7 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 San Francisco

Timetable from United departures we observed; UA400 is a United Airlines flight number, and Hop Nonstop is not affiliated with United. Schedules change — confirm with the airline before you travel.