United Airlines
Is UA3912 delayed?
No delay reported yet. UA3912 is scheduled to leave Los Angeles at 09:46 on Nov 14 and reach San Francisco at 10:55 (as of Nov 14, 16:12 UTC). Of its last 9 arrivals, 4 landed more than 15 min late.
No live update yet
Showing the published schedule until live times come in.
Update time unavailable
Departure
Los Angeles
LAX
Scheduled
Nov 14
Arrival
San Francisco
SFO
Scheduled
Nov 14
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.
- On schedule (10 min behind)
San Francisco → Houston
- 333 min late
Midland → Houston
- 80 min late
San Diego → Los Angeles
- 3 min early
San Francisco → Los Angeles
- 7 min early
San Francisco → Houston
Is UA3912 usually late?
Period: Oct 15, 2026 – Nov 14, 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. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.
At the airports today
Los Angeles (LAX) departures
- Left more than 15 min late
- 36 of 69
- Cancelled today
- 40
San Francisco (SFO) departures
- Left more than 15 min late
- 25 of 49
- Cancelled today
- 41
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Nov 13, 2026Cancelled | Orlando | Chicago | Not available | Not available |
| Nov 12, 2026Cancelled | Nashville | Newark | Not available | Not available |
| Nov 11, 2026Arrived | San Francisco | Houston | 10 | |
| Nov 10, 2026Arrived | Midland | Houston | 333 | |
| Nov 8, 2026Cancelled | Savannah | Chicago | Not available | Not available |
| Nov 7, 2026Arrived | San Diego | Los Angeles | 80 | |
| Nov 6, 2026Arrived | San Francisco | Los Angeles | -3 | |
| Nov 5, 2026Arrived | San Francisco | Houston | -7 | |
| Nov 4, 2026Arrived | Houston | Chicago | 34 | |
| Nov 3, 2026Cancelled | San Francisco | Chicago | Not available | Not available |
| Nov 1, 2026Arrived | Calgary | Denver | 86 | |
| Oct 27, 2026Arrived | Houston | Orlando | -30 | |
| Oct 22, 2026Cancelled | Seattle | Los Angeles | Not available | Not available |
| Oct 21, 2026Cancelled | Orlando | Houston | Not available | Not available |
| Oct 20, 2026Cancelled | Madison | Chicago | Not available | Not available |
| Oct 19, 2026Cancelled | Dulles | Los Angeles | Not available | Not available |
| Oct 18, 2026Arrived | Dallas-Fort Worth | Denver | 15 | |
| Oct 17, 2026Cancelled | Cedar Rapids | Denver | Not available | Not available |
| Oct 16, 2026Cancelled | Chicago | Toronto | Not available | Not available |