Is UA28 delayed?
Service date: · Scheduled departure date (Asia/Singapore)
Arrived
6 min early
Official source · Updated
Departure
Singapore
SIN
Actual
Scheduled 20:35
Aug 29
Arrival
San Francisco
SFO
Actual
Scheduled 21:20
Aug 29
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 2 min early
SIN → SFO
- 10 min early
SIN → SFO
- 28 min late
SIN → SFO
- 22 min late
SIN → SFO
- 17 min late
SIN → SFO
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 28
- Arrivals over 15 minutes late
- 10
- Observed cancellations
- 0
- Observed occurrences
- 32
Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 16, 2026Arrived | Singapore | San Francisco | -2 | |
| Sep 15, 2026Arrived | Singapore | San Francisco | -10 | |
| Sep 14, 2026Arrived | Singapore | San Francisco | 28 | |
| Sep 13, 2026Arrived | Singapore | San Francisco | 22 | |
| Sep 12, 2026Arrived | Singapore | San Francisco | 17 | |
| Sep 11, 2026Arrived | Singapore | San Francisco | 26 | |
| Sep 10, 2026Arrived | Singapore | San Francisco | -8 | |
| Sep 9, 2026Arrived | Singapore | San Francisco | 9 | |
| Sep 8, 2026Arrived | Singapore | San Francisco | 4 | |
| Sep 7, 2026Arrived | Singapore | San Francisco | 31 | |
| Sep 6, 2026Arrived | Singapore | San Francisco | 19 | |
| Sep 5, 2026Arrived | Singapore | San Francisco | 7 | |
| Sep 4, 2026Arrived | Singapore | San Francisco | 14 | |
| Sep 3, 2026Arrived | Singapore | San Francisco | -14 | |
| Sep 2, 2026Arrived | Singapore | San Francisco | -26 | |
| Sep 2, 2026Arrived | Singapore | San Francisco | -31 | |
| Sep 1, 2026Arrived | Singapore | San Francisco | -31 | |
| Aug 31, 2026Arrived | Singapore | San Francisco | -10 | |
| Aug 30, 2026Arrived | Singapore | San Francisco | 2 | |
| Aug 29, 2026Arrived | Singapore | San Francisco | -6 | |
| Aug 28, 2026Arrived | Singapore | San Francisco | 11 | |
| Aug 27, 2026Arrived | Singapore | San Francisco | 1 | |
| Aug 26, 2026Arrived | Singapore | San Francisco | 21 | |
| Aug 25, 2026Arrived | Singapore | San Francisco | 75 | |
| Aug 23, 2026Arrived | Singapore | San Francisco | -730 | |
| Aug 22, 2026Arrived | Singapore | San Francisco | -8 | |
| Aug 21, 2026Arrived | Singapore | San Francisco | 22 | |
| Aug 19, 2026Arrived | Singapore | San Francisco | 39 |