Is UA4790 delayed?
Service date: · Scheduled departure date (America/Los_Angeles)
Arrived
5 min early
Official source · Updated
Departure
San Francisco
SFO
Actual
Scheduled 12:29
Sep 5
Arrival
Sacramento
SMF
Actual
Scheduled 20:01
Sep 5
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.
- 204 min late
SFO → SMF
- 8 min early
SFO → SMF
- 91 min late
SFO → SMF
- 62 min late
SFO → SMF
- 12 min late
SFO → SMF
Flight history and details
Aug 22, 2026 — Sep 21, 2026
- Observed arrivals
- 15
- Arrivals over 15 minutes late
- 7
- Observed cancellations
- 0
- Observed occurrences
- 29
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 20, 2026Arrived | San Francisco | Sacramento | 204 | |
| Sep 19, 2026Arrived | San Francisco | Sacramento | -8 | |
| Sep 18, 2026Arrived | San Francisco | Sacramento | 91 | |
| Sep 17, 2026Arrived | San Francisco | Sacramento | 62 | |
| Sep 16, 2026Arrived | San Francisco | Sacramento | 12 | |
| Sep 15, 2026Arrived | San Francisco | Sacramento | 36 | |
| Sep 12, 2026Arrived | San Francisco | Sacramento | 10 | |
| Sep 11, 2026Arrived | San Francisco | Sacramento | 265 | |
| Sep 10, 2026Arrived | San Francisco | Sacramento | 22 | |
| Sep 9, 2026Arrived | San Francisco | Sacramento | -2 | |
| Sep 8, 2026Arrived | San Francisco | Sacramento | 41 | |
| Sep 7, 2026Arrived | San Francisco | Sacramento | 7 | |
| Sep 6, 2026Arrived | San Francisco | Sacramento | -5 | |
| Sep 5, 2026Arrived | San Francisco | Sacramento | -5 | |
| Sep 4, 2026Arrived | San Francisco | Sacramento | -4 |