UA1646: United flight 1646
San Francisco (SFO) → Baltimore (BWI) · departs 9:30p, lands 5:43a +1 local · Mon, 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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UA1646 timetable
Published departure and arrival times, each in its airport's local time, from the flights we sampled Oct 5–Nov 10.
| Route | Departs | Arrives | Scheduled | Days |
|---|---|---|---|---|
| SFO → BWISan Francisco to Baltimore | 9:30p | 5:43a +1 | 5h13m | Mon, Thu, Fri, Sun |
| SFO → BWISan Francisco to Baltimore | 10:35p | 6:48a +1 | 5h13m | Tue–Wed |
Other nonstops from San Francisco to Baltimore
The departures either side of UA1646. Times are San Francisco time.
| Flight | Departs | Days |
|---|---|---|
| United UA2664 | 9:12a | Daily |
| Southwest | 9:25p | Mon, Tue, Wed, Thu, Fri, Sun |
| This flight UA1646 | 9:30p | Mon, Thu, Fri, Sun |
All 3 flights from SFO to BWI, by time →
Flying back from Baltimore
United flies Baltimore to San Francisco nonstop 13 times a week, from 8:00a to 6:34p: 2:30p UA1385 · 6:34p UA504 · every nonstop BWI → SFO →
How UA1646 ran in our sample
8 of 10 departures left within 15 minutes of schedule (Oct 5–Nov 10). Only flights that departed are counted: cancellations are not in our data.
Aircraft: Boeing 737 MAX 8 on 5 of 6; also Boeing 737 MAX 9 (1).
What time does UA1646 leave San Francisco?
UA1646 is scheduled to depart San Francisco (SFO) at 9:30p (Mon, Thu, Fri, Sun), 10:35p (Tue–Wed), San Francisco time, and to land in Baltimore (BWI) at about 5:43a the next day local time, a scheduled 5h13m. Times are the published ones from the flights we sampled Oct 5–Nov 10; check United for today's.
What plane is UA1646?
Boeing 737 MAX 8 on 5 of the 6 UA1646 flights from SFO we sampled Oct 5–Nov 10; the rest were a Boeing 737 MAX 9. Airlines swap aircraft, so the plane on a given day can differ.
Does UA1646 fly every day?
In the week we sampled (Oct 5–Nov 10), UA1646 flew San Francisco to Baltimore on Mon, Tue, Wed, Thu, Fri, Sun.
Is UA1646 usually on time?
Of 10 UA1646 departures from SFO we sampled Oct 5–Nov 10, 8 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; UA1646 is a United Airlines flight number, and Hop Nonstop is not affiliated with United. Schedules change — confirm with the airline before you travel.