United Airlines
Is UA3903 delayed?
UA3903 is listed as cancelled on Sep 27. Over its last 4 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This update may be out of date.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
San Francisco
SFO
Scheduled
Sep 27
Arrival
Los Angeles
LAX
Scheduled
Sep 27
Times shown in airport local time
Service date: · Scheduled departure date (America/Los_Angeles)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 36 min late
Rome → Dulles
- 42 min late
Newark → Chicago
- 33 min late
Dallas-Fort Worth → New Orleans
- On schedule (15 min behind)
San Francisco → Chicago
Is UA3903 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
San Francisco (SFO) departures
- Left more than 15 min late
- 174 of 343
- Cancelled today
- 2
Los Angeles (LAX) departures
- Left more than 15 min late
- 65 of 254
- Cancelled today
- 6
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 27, 2026Cancelled | San Francisco | Los Angeles | Not available | Not available |
| Sep 26, 2026Arrived | Rome | Dulles | 36 | |
| Sep 23, 2026Arrived | Newark | Chicago | 42 | |
| Sep 21, 2026Arrived | Dallas-Fort Worth | New Orleans | 33 | |
| Sep 19, 2026Arrived | San Francisco | Chicago | 15 | |
| Sep 10, 2026Cancelled | Kailua/Kona | Lihue | Not available | Not available |
| Sep 7, 2026Cancelled | Houston | San Francisco | Not available | Not available |
Email me if UA3903 runs late
We email you if your next UA3903 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.