United Airlines UA1257 Flight Status
According to Trip.com real-time data, the UA1257 flight operated by United Airlines on May 8, 2026 is scheduled to fly from Miami (MIA) to San Francisco (SFO). The flight is expected to depart at 7:15 AM (local time in Miami, UTC-4) and land at 10:45 AM (local time in San Francisco, UTC-7) .
Thu, May 7
Fri, May 8
Sat, May 9
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Arrived
The flight has arrived 32m early
6h 30m
Check-in Counter
520
Boarding Gate
G14
Arrival Gate
D8
Baggage
1
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Scheduled
Your flight will depart on time.
6h 30m
Check-in Counter
520
Boarding Gate
G14
Arrival Gate
E9
Baggage
6
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Scheduled
Your flight will depart on time.
6h 30m
Check-in Counter
520
Boarding Gate
G14
Arrival Gate
--
Baggage
--
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Information provided by VariFlightVariFlight. For real-time updates, please check airport displays or contact your airline. If this is not your flight, you can browse more options for flights from Miami to San Francisco to find your schedule.
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UA2612
|
Sarasota (SRQ) 
Miami (MIA)
Miami (MIA)Scheduled: 9:11 PM
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UA1257 Aircraft Details
According to Trip.com real-time data, the UA1257 flight flying from Miami to San Francisco on 5/8/2026 is operated by the aircraft model Boeing 737-900. This aircraft has been in service for 3y, 5m. The aircraft is equipped with Up to 191 seats.
Boeing 737-900
Punctuality (Departure)
83%
Punctuality (Arrival)
93%
Early on average
11 minutes
Age
3y, 5m
Seats
Up to 191
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
On-demand entertainment
Wi-Fi (additional charge)
Power outlet
Seat Information
79 cm
More legroom than on 72% of flights
--
Seat width
105°
Reclining Angle
3-3
Seat layout example
In-Flight Services
Meal included
On-demand entertainment
Wi-Fi (additional charge)
Power outlet
Seat Information
97 cm
More legroom than on 75% of flights
51 cm
Seat width
145°
Reclining Angle
2-2
Seat layout example
In-Flight Services
None
On-demand entertainment
Wi-Fi (additional charge)
Power outlet
Seat Information
89 cm
More legroom than on 76% of flights
43 cm
Seat width better than on 12% of flights
120°
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, May 7 from MIA at approximately 7:32 AM. This flight is expected to arrrive in SFO at 10:13 AM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sun, May 3 | Miami (MIA) | San Francisco (SFO) | B39M | 8:58 AM | 11:38 AM | Arrived |
| Mon, May 4 | Miami (MIA) | San Francisco (SFO) | B39M | 7:49 AM | 11:03 AM | Arrived |
| Tue, May 5 | Miami (MIA) | San Francisco (SFO) | B39M | 7:33 AM | 10:23 AM | Arrived |
| Wed, May 6 | Miami (MIA) | San Francisco (SFO) | B39M | 7:28 AM | 10:17 AM | Arrived |
| Thu, May 7 | Miami (MIA) | San Francisco (SFO) | B39M | 7:32 AM | 10:13 AM | Arrived |
| Fri, May 8 | Miami (MIA) | San Francisco (SFO) | B39M | 7:15 AM | 10:45 AM | Scheduled |
| Sat, May 9 | Miami (MIA) | San Francisco (SFO) | B39M | 7:15 AM | 10:45 AM | 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 83% (Late on average 23 minutes), and the on-time arrival rate is 93% (Early on average 11 minutes).
On-Time Departures
Punctuality
83%
Late on average 23 minutes
Early
0%
On time
83%
30 mins late
10%
60 mins late
0%
90 mins late
7%
Canceled
0%
On-Time Arrivals
Punctuality
93%
Early on average 11 minutes
Early
77%
On time
17%
30 mins late
3%
60 mins late
3%
90 mins late
0%
Canceled
0%
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Arrival Info: San Francisco Weather & Current Time
Intermittent clouds
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12°C - 17°C
Weather forecast for your arrival day
-3 hour time difference
Time on arrival: Miami 13:45| San Francisco 10:45
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