United Airlines
UA1257 Flight Status
According to Trip.com real-time data, the UA1257 flight operated by United Airlines on Aug 29, 2026 is scheduled to fly from San Francisco (SFO) to San Diego (SAN). The flight is expected to depart at 12:00 PM and land at 1:11 PM .
Fri, Aug 28
Sat, Aug 29
Sun, Aug 30
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Arrived
The flight has arrived 1m late
7h 2m
SFO
1h 33m
Check-in Counter
--
Boarding Gate
A14
Arrival Gate
45
Baggage
6
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Scheduled
Your flight will depart on time.
1h 44m
Check-in Counter
--
Boarding Gate
E6
Arrival Gate
44
Baggage
6
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Scheduled
Your flight will depart on time.
7h 2m
SFO
56m
Check-in Counter
--
Boarding Gate
A14
Arrival Gate
44
Baggage
6
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Information provided by VariFlight
For real-time updates, please check airport displays or contact your airline.
You can also explore more flights from San Francisco to San Diego or track other flights with our flight status tracker.
Track the Previous Flight Status: Scheduled
UA1668
|
Austin (AUS)
San Diego (SAN)
San Diego (SAN)
Scheduled: 3:54 PM
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UA1257 Aircraft Details
According to Trip.com real-time data, the UA1257 flight flying from San Francisco to San Diego on 8/29/2026 is operated by the aircraft model Boeing 737-800. This aircraft has been in service for 28y. The aircraft is equipped with 166 seats.
Boeing 737-800
Punctuality (Departure)
23
%
Punctuality (Arrival)
70
%
Late on average
18 minutes
Age
28y
Seats
166
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
Snacks
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
76 cm
More legroom than on 3% of flights
--
Seat width
100°
Reclining Angle
3-3
Seat layout example
In-Flight Services
Snacks
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
94 cm
More legroom than on 6% of flights
53 cm
Seat width better than on 65% of flights
120°
Reclining Angle
2-2
Seat layout example
In-Flight Services
Snacks
Live TV
Wi-Fi is available
Power outlet
Seat Information
86 cm
More legroom than on 2% of flights
--
Seat width
100°
Reclining Angle
3-3
Seat layout example
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Flight History for UA1257
Trip.com historical records show that the last UA1257 flight departed on Fri, Aug 28 from SFO at approximately 8:54 AM. This flight is expected to arrrive in SAN at 1:45 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Tue, Aug 25 | San Francisco (SFO) | San Diego (SAN) | 738 | 12:28 PM | 1:40 PM | Arrived |
| Wed, Aug 26 | St. Louis (STL) | San Diego (SAN) | 738 | 8:50 AM | 2:27 PM | Arrived |
| Thu, Aug 27 | St. Louis (STL) | San Diego (SAN) | 738 | 8:53 AM | 2:46 PM | Arrived |
| Fri, Aug 28 | St. Louis (STL) | San Diego (SAN) | 319 | 8:54 AM | 1:45 PM | Arrived |
| Sat, Aug 29 | San Francisco (SFO) | San Diego (SAN) | 738 | 12:00 PM | 1:11 PM | Scheduled |
| Sun, Aug 30 | St. Louis (STL) | San Diego (SAN) | 738 | 8:42 AM | 1:44 PM | Scheduled |
| Mon, Aug 31 | St. Louis (STL) | San Diego (SAN) | 738 | 8:42 AM | 1:44 PM | Scheduled |
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UA1257 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA1257 is 23% (Late on average 51 minutes), and the on-time arrival rate is 70% (Late on average 18 minutes).
On-Time Departures
Punctuality
23
%
Late on average
51 minutes
Early
0
%
On time
23
%
30 mins late
47
%
60 mins late
17
%
90 mins late
13
%
Canceled
0
%
On-Time Arrivals
Punctuality
70
%
Late on average
18 minutes
Early
27
%
On time
43
%
30 mins late
13
%
60 mins late
13
%
90 mins late
3
%
Canceled
0
%
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Frequently Asked Questions
-
What is the current status of flight ua1257?
Flight ua1257 has not departed yet and is currently on schedule. Scheduled departure 12:00 PM, arrival 1:44 PM (updated Aug 29, 2026). -
Is flight ua1257 on time today?
Flight ua1257 has not departed yet and is currently on schedule. Scheduled departure is 12:00 PM, with arrival at 1:44 PM. Recheck gate and timing before you head to the airport. -
Has flight ua1257 departed yet? What is the departure time?
Flight ua1257 is scheduled to depart at 12:00 PM. The latest actual or estimated departure time is 12:00 PM, and the current status is Scheduled (updated Aug 29, 2026). -
When is flight ua1257 scheduled to arrive?
Flight ua1257 is scheduled to arrive at 1:44 PM. The latest estimated or actual arrival time is 1:11 PM. Status is Scheduled as of Aug 29, 2026. -
What is the gate information for flight ua1257?
For flight ua1257, the departure terminal is T3 and the boarding gate is E6. Gate assignments can change at short notice—confirm on airport screens before heading to security. -
What is the baggage carousel number for flight ua1257?
After arrival, baggage for flight ua1257 is expected at carousel 6 in terminal T2. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival. -
What route does flight ua1257 fly?
Flight ua1257 is operated by United Airlines from San Francisco (SFO) to San Diego (SAN). Typical flight time is about 1 hour44 minutes; operating days may include Saturday. -
How can I check real-time status for flight ua1257?
Track flight ua1257 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 ua1257 is delayed or canceled, what should I do?
If ua1257 is delayed or canceled, first confirm the latest status here (Scheduled, updated Aug 29, 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 ua1257 departed from San Francisco?
Flight ua1257 has not departed from San Francisco (SFO) yet and is currently on schedule for 12:00 PM. -
What is the seat configuration for flight ua1257?
Flight ua1257 usually flies a Boeing 737-800 with seat layout 3-3. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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