United Airlines
Is UA28 delayed?
No delay reported yet. UA28 is scheduled to leave Singapore at 22:40 on Nov 14 and reach San Francisco at 21:06 (as of Nov 14, 14:26 UTC). Of its last 9 arrivals, 3 landed more than 15 min late.
No live update yet
Showing the published schedule until live times come in.
Update time unavailable
Departure
Singapore
SIN
Scheduled
Nov 14
Arrival
San Francisco
SFO
Scheduled
Nov 14
Times shown in airport local time
Service date: · Scheduled departure date (Asia/Singapore)
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 (4 min behind)
Singapore → San Francisco
- 55 min late
Singapore → San Francisco
- 81 min late
Singapore → San Francisco
- 10 min early
Singapore → San Francisco
- 22 min early
Singapore → San Francisco
Is UA28 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
Singapore (SIN) departures
- Left more than 15 min late
- 124 of 156
- Cancelled today
- 0
San Francisco (SFO) departures
- Left more than 15 min late
- 25 of 32
- Cancelled today
- 38
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Nov 13, 2026Arrived | Singapore | San Francisco | 4 | |
| Nov 11, 2026Arrived | Singapore | San Francisco | 55 | |
| Nov 10, 2026Arrived | Singapore | San Francisco | 81 | |
| Nov 9, 2026Arrived | Singapore | San Francisco | -10 | |
| Nov 8, 2026Arrived | Singapore | San Francisco | -22 | |
| Nov 8, 2026Arrived | Singapore | San Francisco | -46 | |
| Nov 6, 2026Arrived | Singapore | San Francisco | 7 | |
| Nov 6, 2026Arrived | Singapore | San Francisco | 17 | |
| Nov 4, 2026Arrived | Singapore | San Francisco | -20 | |
| Nov 4, 2026Arrived | Singapore | San Francisco | Not available | |
| Nov 2, 2026Arrived | Singapore | San Francisco | Not available | |
| Nov 1, 2026Arrived | Singapore | San Francisco | Not available | |
| Oct 31, 2026Arrived | Singapore | San Francisco | Not available | |
| Oct 30, 2026Arrived | Singapore | San Francisco | Not available | |
| Oct 29, 2026Arrived | Singapore | San Francisco | Not available | |
| Oct 28, 2026Arrived | Singapore | San Francisco | Not available | |
| Oct 27, 2026Arrived | Singapore | San Francisco | Not available | |
| Oct 26, 2026Arrived | Singapore | San Francisco | Not available | |
| Oct 25, 2026Arrived | Singapore | San Francisco | Not available | |
| Oct 24, 2026Arrived | Singapore | San Francisco | Not available |