UA1678: United flight 1678
San Francisco (SFO) → Washington (DCA) · departs 8:40a, lands 4:55p local · Daily
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.
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UA1678 timetable
Published departure and arrival times, each in its airport's local time, from the flights we sampled.
| Route | Departs | Arrives | Scheduled | Days |
|---|---|---|---|---|
| SFO → DCASan Francisco to Washington | 8:40a | 4:55p | 5h15m | Daily |
| DCA → IAHWashington Reagan National to Houston | 7:36p | 10:15p | 3h39m | Mon, Tue, Wed, Thu, Fri, Sun |
Other nonstops from San Francisco to Washington
The departures either side of UA1678. Times are San Francisco time.
All 3 flights from SFO to DCA, by time →
Flying back from Washington
United flies Washington to San Francisco nonstop 14 times a week, from 7:45a to 5:49p: 7:45a UA369 · 5:49p UA368 · every nonstop DCA → SFO →
How UA1678 ran in our sample
SFO → DCA
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.
DCA → IAH
5 of 6 departures left within 15 minutes of schedule (Oct 25–30). Only flights that departed are counted: cancellations are not in our data.
Aircraft: Boeing 737-800 on 5 of 6; also Airbus A320 (1).
Other flights on this route: UA1450 · UA697 · UA2190 · UA382 · UA1785 · all of them →
What time does UA1678 leave San Francisco?
UA1678 is scheduled to depart San Francisco (SFO) at 8:40a (daily), San Francisco time, and to land in Washington (DCA) at about 4:55p local time, a scheduled 5h15m. Times are the published ones from the flights we sampled Oct 4–10; check United for today's.
What time does UA1678 leave Washington Reagan National?
UA1678 is scheduled to depart Washington Reagan National (DCA) at 7:36p (Mon, Tue, Wed, Thu, Fri, Sun), Washington Reagan National time, and to land in Houston (IAH) at about 10:15p local time, a scheduled 3h39m. Times are the published ones from the flights we sampled Oct 25–30; check United for today's.
What plane is UA1678?
Boeing 737-800 on 5 of the 6 UA1678 flights from DCA we sampled Oct 25–30; the rest were a Airbus A320. Airlines swap aircraft, so the plane on a given day can differ.
Does UA1678 fly every day?
Yes — UA1678 flew San Francisco to Washington every day of the week we sampled (Oct 4–10).
Is UA1678 usually on time?
Of 7 UA1678 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; UA1678 is a United Airlines flight number, and Hop Nonstop is not affiliated with United. Schedules change — confirm with the airline before you travel.