United Airlines UA1257 Flight status
According to Trip.com real-time data, the UA1257 flight operated by United Airlines on Oct 30, 2026, flying from St. Louis (STL) to San Diego (SAN), departed at 08:03 (local time in St. Louis, UTC-5) and is expected to arrive at 13:47 (local time in San Diego, UTC-7) at San Diego International Airport (SAN).
Thu, Oct 29
Fri, Oct 30
Sat, Oct 31
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Arrived
The flight has arrived 4m late
7h 47m
SFO
1h 57m
Check-in Counter
--
Boarding Gate
A14
Arrival Gate
44
Baggage
6
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En route
Your flight has departed St. Louis and is expected to arrive in San Diego at 13:47.
7h 47m
SFO
2h 12m
Check-in Counter
--
Boarding Gate
A14
Arrival Gate
44
Baggage
6
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United Airlines From €166
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Scheduled
Your flight will depart on time.
7h 47m
SFO
1h 29m
Check-in Counter
--
Boarding Gate
A16
Arrival Gate
45
Baggage
6
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Need a flight from St. Louis to San Diego?
United Airlines From €166
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Flight.News
A Coastal Flood Warning is in effect for coastal areas of San Diego until 1 PM PDT today, followed by a Coastal Flood Advisory until 2 PM PDT Friday. Expect significant coastal flooding transitioning to minor flooding, road closures, low-lying property inundation, and shoreline erosion. Peak high tides will occur around 11 AM today and noon on Friday. Residents should prepare for rising waters and take appropriate action to protect life and property.
Track the Previous Flight Status: Landed at St. Louis
UA1924
|
Las Vegas (LAS)
St. Louis (STL)
St. Louis (STL)
Scheduled: 22:15
|
23m early
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UA1257 Aircraft Details
According to Trip.com real-time data, the UA1257 flight from St. Louis to San Diego on 10/30/2026 is operated using the aircraft model Boeing 737-800. This aircraft has been in service for 24y, 8m. The aircraft has 166 seats.
Boeing 737-800
Punctuality (Departure)
54
%
Punctuality (Arrival)
58
%
Late on average
23 minutes
Age
24y, 8m
Seats
166
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
Live TV
Wi-Fi is available
No power outlets are available
Seat Information
76 cm
Legroom
--
Seat width
100°
Reclining Angle
3-3
Seat layout example
In-Flight Services
Meal included
Live TV
Wi-Fi is available
Power outlet
Seat Information
94 cm
Legroom
53 cm
Seat width better than on 100% of flights
120°
Reclining Angle
2-2
Seat layout example
In-Flight Services
None
Live TV
Wi-Fi is available
Power outlet
Seat Information
86 cm
Legroom
--
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 Thu, Oct 29 from STL at approximately 08:07. This flight is expected to arrrive in SAN at 13:51.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Mon, Oct 26 | St. Louis (STL) | San Diego (SAN) | 738 | 08:24 | 13:52 | Arrived |
| Tue, Oct 27 | St. Louis (STL) | San Diego (SAN) | 319 | 08:10 | 13:45 | Arrived |
| Wed, Oct 28 | St. Louis (STL) | San Diego (SAN) | 738 | 08:23 | 13:47 | Arrived |
| Thu, Oct 29 | St. Louis (STL) | San Diego (SAN) | 738 | 08:07 | 13:51 | Arrived |
| Fri, Oct 30 | St. Louis (STL) | San Diego (SAN) | 738 | 08:03 | 13:47 | En route |
| Sat, Oct 31 | St. Louis (STL) | San Diego (SAN) | 319 | 08:00 | 13:47 | Scheduled |
| Sun, Nov 1 | St. Louis (STL) | San Diego (SAN) | 319 | 08:00 | 13:47 | Scheduled |
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UA1257 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of UA1257 is 54% (Late on average 44 minutes), and the on-time arrival rate is 58% (Late on average 23 minutes).
On-Time Departures
Punctuality
54
%
Late on average
44 minutes
Early
0
%
On time
54
%
30 mins late
17
%
60 mins late
13
%
90 mins late
17
%
Cancelled
0
%
On-Time Arrivals
Punctuality
58
%
Late on average
23 minutes
Early
17
%
On time
42
%
30 mins late
29
%
60 mins late
13
%
90 mins late
0
%
Cancelled
0
%
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Flight FAQs
What is the current status of flight ua1257?
Flight ua1257 has departed (status: En route). Departure 08:03, estimated arrival 13:47 (updated Oct 30, 2026).Is flight ua1257 on time today?
Flight ua1257 has already departed (status: En route). It took off at 08:03 and is estimated to arrive at 13:47.Has flight ua1257 departed yet? What is the departure time?
Flight ua1257 is scheduled to depart at 08:00. The latest actual or estimated departure time is 08:03, and the current status is En route (updated Oct 30, 2026).When is flight ua1257 scheduled to arrive?
Flight ua1257 is scheduled to arrive at 13:47. The latest estimated or actual arrival time is 13:47. Status is En route as of Oct 30, 2026.What is the gate information for flight ua1257?
For flight ua1257, the departure terminal is T1 and the boarding gate is A14. 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 St. Louis (STL) to San Diego (SAN). Typical flight time is about 7 hours 47 minutes; operating days may include Friday.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 (En route, updated Oct 30, 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 St. Louis?
Flight ua1257 has departed from St. Louis (STL) at 08:03 (status: En route).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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Arrival Info: San Diego Weather & Current Time
Cloudy
|
18°C - 23°C
Weather forecast for your arrival day
-2 hour time difference
Time on arrival: St. Louis 15:47
|
San Diego 13:47
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