Is UAL393 delayed?
Service date: · Scheduled departure date (America/Los_Angeles)
Arrived
8 min early
Official source · Updated
Departure
San Francisco
SFO
Actual
Scheduled 19:14
Sep 9
Arrival
Sacramento
SMF
Actual
Scheduled 02:41
Sep 10
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
SFOSMF
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 4 min late
SFO → SMF
- 7 min early
SFO → SMF
- 5 min early
ACV → LAX
- 42 min late
SFO → SMF
- 16 min early
ACV → LAX
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 10
- Arrivals over 15 minutes late
- 1
- Observed cancellations
- 2
- Observed occurrences
- 12
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 | San Francisco | Sacramento | 4 | |
| Sep 15, 2026Arrived | San Francisco | Sacramento | -7 | |
| Sep 14, 2026Arrived | Arcata/Eureka | Los Angeles | -5 | |
| Sep 13, 2026Cancelled | Arcata/Eureka | Los Angeles | Not available | Not available |
| Sep 12, 2026Arrived | San Francisco | Sacramento | 42 | |
| Sep 11, 2026Arrived | Arcata/Eureka | Los Angeles | -16 | |
| Sep 10, 2026Cancelled | Arcata/Eureka | Los Angeles | Not available | Not available |
| Sep 9, 2026Arrived | San Francisco | Sacramento | -8 | |
| Sep 8, 2026Arrived | San Francisco | Sacramento | -14 | |
| Sep 7, 2026Arrived | Arcata/Eureka | Los Angeles | -10 | |
| Sep 6, 2026Arrived | Arcata/Eureka | Los Angeles | -2 | |
| Sep 4, 2026Arrived | Arcata/Eureka | Los Angeles | -10 |