United Airlines
Is UA3909 delayed?
UA3909 is listed as cancelled on Sep 28. Over its last 3 recorded arrivals, 3 landed more than 15 min late.
Cancelled
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Washington
DCA
Scheduled
Not available
Arrival
San Francisco
SFO
Estimated
Sep 28
Times shown in airport local time
Service date: · Scheduled arrival date; departure time unavailable (America/Los_Angeles)
Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
- Not available
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 54 min late
Honolulu → San Francisco
- 23 min late
Sarasota/Bradenton → Atlanta
- 82 min late
Newark → Houston
Is UA3909 usually late?
Observation window: Sep 1, 2026 – Oct 1, 2026
Percentages and delay figures appear once 10 arrivals are recorded.
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
At the airports today
Washington (DCA) departures
- Left more than 15 min late
- 1 of 16
- Cancelled today
- 0
San Francisco (SFO) departures
- Left more than 15 min late
- 7 of 16
- Cancelled today
- 0
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 28, 2026Cancelled | Washington | San Francisco | Not available | Not available |
| Sep 26, 2026Cancelled | Denver | Syracuse | Not available | Not available |
| Sep 24, 2026Cancelled | Buffalo | San Francisco | Not available | Not available |
| Sep 22, 2026Arrived | Honolulu | San Francisco | 54 | |
| Sep 21, 2026Arrived | Sarasota/Bradenton | Atlanta | 23 | |
| Sep 20, 2026Arrived | Newark | Houston | 82 | |
| Sep 11, 2026Cancelled | Newark | Dulles | Not available | Not available |
| Sep 9, 2026Cancelled | Edinburgh | Newark | Not available | Not available |
| Sep 7, 2026Cancelled | Orlando | Dulles | Not available | Not available |
Email me if UA3909 runs late
We email you if your next UA3909 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.