United Airlines UA1278 Flight Status
According to Trip.com real-time data, the UA1278 flight operated by United Airlines on Apr 17, 2026 is scheduled to fly from Sacramento (SMF) to San Antonio (SAT). The flight is expected to depart at 10:37 AM (local time in Sacramento, UTC-7) and land at 10:58 PM (local time in San Antonio, UTC-5) .
Thu, Apr 16
Fri, Apr 17
Sat, Apr 18
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En route
Your flight has departed Sacramento and is expected to arrive in San Antonio at 10:58 PM.
10h 21m
ORD
3h 44m
Check-in Counter
--
Boarding Gate
A17
Arrival Gate
B5
Baggage
3
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Scheduled
Your flight will depart on time.
10h 21m
ORD
3h 47m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
4h 15m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
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 Sacramento to Chicago to find your schedule.
Track the Previous Flight Status: Scheduled
UA2149
|
Denver (DEN) 
Sacramento (SAC)
Sacramento (SAC)Scheduled: 9:41 AM
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UA1278 Aircraft Details
According to Trip.com real-time data, the UA1278 flight flying from Sacramento to Chicago on 4/17/2026 is operated by the aircraft model Airbus A320. This aircraft has been in service for 29y, 7m. The aircraft is equipped with 150 seats.
Airbus A320
Punctuality (Departure)
90%
Punctuality (Arrival)
93%
Early on average
9 minutes
Age
29y, 7m
Seats
150
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
On-demand entertainment
Wi-Fi (additional charge)
Unknown
Seat Information
76 cm
Legroom
43 cm
Seat width better than on 54% of flights
100°
Reclining Angle
3-3
Seat layout example
In-Flight Services
Meal included
On-demand entertainment
Wi-Fi (additional charge)
Power outlet
Seat Information
99 cm
More legroom than on 82% of flights
48 cm
Seat width
120°
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 58% of flights
43 cm
Seat width better than on 17% of flights
110°
Reclining Angle
3-3
Seat layout example
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Flight History for UA1278
Trip.com historical records show that the last UA1278 flight departed on Thu, Apr 16 from SMF at approximately 10:40 AM. This flight is expected to arrrive in SAT at 10:58 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sun, Apr 12 | Sacramento (SMF) | San Antonio (SAT) | 320 | 4:55 PM | 11:16 PM | Arrived |
| Mon, Apr 13 | Sacramento (SMF) | San Antonio (SAT) | B38M | 10:47 AM | 11:40 PM | Arrived |
| Tue, Apr 14 | Sacramento (SMF) | San Antonio (SAT) | 738 | 10:53 AM | 11:25 PM | Arrived |
| Wed, Apr 15 | Sacramento (SMF) | San Antonio (SAT) | 738 | 10:46 AM | 11:09 PM | Arrived |
| Thu, Apr 16 | Sacramento (SMF) | San Antonio (SAT) | 738 | 10:40 AM | 10:58 PM | En route |
| Fri, Apr 17 | Sacramento (SMF) | San Antonio (SAT) | 320 | 10:37 AM | 10:58 PM | Scheduled |
| Sat, Apr 18 | Sacramento (SMF) | Chicago (ORD) | 320 | 10:37 AM | 4:52 PM | Scheduled |
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UA1278 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA1278 is 90% (Late on average 33 minutes), and the on-time arrival rate is 93% (Early on average 9 minutes).
On-Time Departures
Punctuality
90%
Late on average 33 minutes
Early
3%
On time
87%
30 mins late
0%
60 mins late
3%
90 mins late
7%
Canceled
0%
On-Time Arrivals
Punctuality
93%
Early on average 9 minutes
Early
87%
On time
7%
30 mins late
0%
60 mins late
0%
90 mins late
7%
Canceled
0%
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Arrival Info: Chicago Weather & Current Time
Cloudy with showers
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8°C - 20°C
Weather forecast for your arrival day
2 hour time difference
Time on arrival: Sacramento 14:52| Chicago 16:52
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