United Airlines UA4790 Flight Status
According to Trip.com latest record on status for United Airlines flight UA4790 from San Francisco to Sacramento (SFO-SMF): Flights for Sep 20, 2026 are scheduled, with the next departure slated for 12:05 from SFO and an expected arrival at 12:31 at SMF .
Sat, Sep 19
Sun, Sep 20
Mon, Sep 21
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In Flight
Your flight has departed San Francisco and is expected to arrive in Sacramento at 12:53.
1h 2m
Check-in Counter
--
Boarding Gate
F10
Arrival Gate
A14
Baggage
--
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Scheduled
Your flight will depart on time.
1h 2m
Check-in Counter
--
Boarding Gate
F7
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
1h 2m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
Flight status powered by VariFlight. For real-time updates, follow airport displays or contact your airline directly.
Track the Previous Flight Status: Scheduled
UA5737
|
Fresno (FAT) 
San Francisco (SFO)
San Francisco (SFO)Scheduled: 11:25
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UA4790 Aircraft Specifications
According to Trip.com real-time data, the UA4790 flight from San Francisco to Sacramento on 9/20/2026 is operated using the aircraft model Bombardier Regional Jet 200. This aircraft has been in service for 22y, 8m. The aircraft has 50 seats.
Bombardier Regional Jet 200
On-Time Departure
17%
On-Time Arrival
70%
Avg. Delay
24 minutes
Aircraft Age
22y, 8m
Total Seats
50
Flight Distance
--
Economy
Premium Economy
Cabin Amenities
None
In-flight entertainment is unavailable
Wi-Fi is unavailable
No power outlets are available
Seat Information
79 cm
More legroom than on 20% of flights
43 cm
Seat width
100°
Reclining Angle
2-2
Seat layout example
Cabin Amenities
None
In-flight entertainment is unavailable
Wi-Fi is unavailable
No power outlets are available
Seat Information
79 cm
Legroom
43 cm
Seat width
100°
Reclining Angle
--
Seat layout example
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UA4790 Flight History
Trip.com historical records show that the last UA4790 flight departed on Sat, Sep 19 from SFO at approximately 12:29. This flight is expected to arrrive in SMF at 12:53.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Tue, Sep 15 | San Francisco (SFO) | Sacramento (SMF) | CRJ2 | 13:13 | 13:37 | Arrived |
| Wed, Sep 16 | San Francisco (SFO) | Sacramento (SMF) | CRJ2 | 13:57 | 14:23 | Arrived |
| Thu, Sep 17 | San Francisco (SFO) | Sacramento (SMF) | CRJ2 | 13:40 | 14:04 | Arrived |
| Fri, Sep 18 | San Francisco (SFO) | Sacramento (SMF) | CRJ2 | 14:12 | 14:39 | Arrived |
| Sat, Sep 19 | San Francisco (SFO) | Sacramento (SMF) | CRJ2 | 12:29 | 12:53 | In Flight |
| Sun, Sep 20 | San Francisco (SFO) | Sacramento (SMF) | CRJ2 | 12:05 | 12:31 | Scheduled |
| Mon, Sep 21 | San Francisco (SFO) | Sacramento (SMF) | CRJ2 | 12:05 | 13:07 | Scheduled |
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UA4790 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of UA4790 is 17% (Late on average 59 minutes), and the on-time arrival rate is 70% (Late on average 24 minutes).
On-Time Departures
Punctuality
17%
Late on average 59 minutes
Early
0%
On time
17%
30 mins late
53%
60 mins late
20%
90 mins late
10%
Cancelled
0%
On-Time Arrivals
Punctuality
70%
Late on average 24 minutes
Early
30%
On time
40%
30 mins late
23%
60 mins late
3%
90 mins late
3%
Cancelled
0%
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Flight FAQs
What is the current status of flight ua4790?
Flight ua4790 has not departed yet and is currently on schedule. Scheduled departure 12:05, arrival 13:07 (updated Sep 20, 2026).Is flight ua4790 on time today?
Flight ua4790 has not departed yet and is currently on schedule. Scheduled departure is 12:05, with arrival at 13:07. Recheck gate and timing before you head to the airport.Has flight ua4790 departed yet? What is the departure time?
Flight ua4790 is scheduled to depart at 12:05. The latest actual or estimated departure time is 12:05, and the current status is Scheduled (updated Sep 20, 2026).When is flight ua4790 scheduled to arrive?
Flight ua4790 is scheduled to arrive at 13:07. The latest estimated or actual arrival time is 12:31. Status is Scheduled as of Sep 20, 2026.What is the gate information for flight ua4790?
For flight ua4790, the departure terminal is T3 and the boarding gate is F7. Gate assignments can change at short notice—confirm on airport screens before heading to security.What route does flight ua4790 fly?
Flight ua4790 is operated by United Airlines from San Francisco (SFO) to Sacramento (SMF). Typical flight time is about 1 hour 2 minutes; operating days may include Sunday.How can I check real-time status for flight ua4790?
Track flight ua4790 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications.If flight ua4790 is delayed or canceled, what should I do?
If ua4790 is delayed or canceled, first confirm the latest status here (Scheduled, updated Sep 20, 2026). Contact United Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight ua4790 departed from San Francisco?
Flight ua4790 has not departed from San Francisco (SFO) yet and is currently on schedule for 12:05.What is the seat configuration for flight ua4790?
Flight ua4790 usually flies a Bombardier Regional Jet 200 with seat layout 2-2. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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When You Land: Sacramento Weather & Time Zone
Partly clear
|
15°C - 33°C
Weather forecast for your arrival day
0 hour time difference
Time on arrival: San Francisco 12:31| Sacramento 12:31
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