Informational Guide to Ontario Airport (ONT) - NON OFFICIAL

WN1278 Southwest Airlines - Flight Status

Below, you can find details about Southwest Airlines flight WN1278, which currently operates between the airports of Ontario - Ontario International Airport (Airport Code ONT) and Sacramento - Sacramento International Airport (Airport Code SMF).
This flight data pertains specifically to the flight's details for Tuesday, October 07, 2025.

WN1278 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Flight Status

WN1278 Southwest Airlines to Sacramento

Landed - On-time
Flight Status for Tuesday October 07, 2025
This flight was also scheduled for Yesterday (October 06, 2025). See it here
This flight is also scheduled for Tomorrow (October 08, 2025). See it here

Airline information

Southwest Airlines
Southwest Airlines
Equipment: Boeing 737MAX 8 Passenger

Departure

Ontario (ONT)
October 07, 2025
Ontario International Airport
Departed at:
02:17 pm
Terminal:
4
Gate:
404
Scheduled Departure Time: 02:25 pm

Arrival

Sacramento (SMF)
October 07, 2025
Sacramento International Airport
Arrived at:
03:35 pm
Terminal:
B
Gate:
B19
Scheduled Arrival Time: 03:50 pm
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.ontario-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.

Additional Information

Which is the frequency of flight WN1278?
The flight WN1278 is scheduled to flight on Monday, Tuesday, Thursday, Friday, Sunday on a weekly basis.

Which is the distance of flight WN1278?
The distance between the two airports is 390 miles.

Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.

Alternative Flights

The following airline serve the same route between Ontario and Sacramento:
Southwest Airlines - Flight Number: WN1017.

Punctuality and delays

It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions

Last Past Flights WN1278

Date
Departure
Arrival
Duration
Aircraft
Status
Monday
06 October
07:45 pm
Ontario (ONT)
09:14 pm
Sacramento (SMF)
01h 29min
Boeing 737-700
Boeing 737-700
Landed - Delayed
Sunday
05 October
07:51 pm
Ontario (ONT)
09:01 pm
Sacramento (SMF)
01h 10min
Boeing 737-800
Boeing 737-800
Landed - Delayed
Friday
03 October
07:25 pm
Ontario (ONT)
08:48 pm
Sacramento (SMF)
01h 23min
Boeing 737-700
Boeing 737-700
Landed - Delayed
Thursday
02 October
07:07 pm
Ontario (ONT)
08:27 pm
Sacramento (SMF)
01h 20min
Boeing 737-700
Boeing 737-700
Landed - Delayed