Informational Guide to Ontario Airport (ONT) - NON OFFICIAL

WN4373 Southwest Airlines - Flight Status

Below, you can find details about Southwest Airlines flight WN4373, 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, April 01, 2025.

WN4373 On Time performance:
73
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

WN4373 Southwest Airlines to Sacramento

This flight is not scheduled for April 01, 2025.

Airline information

Southwest Airlines
Southwest Airlines

Departure

Ontario (ONT)
March 29, 2025
Ontario International Airport

Arrival

Sacramento (SMF)
March 29, 2025
Sacramento International Airport
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 WN4373?
The flight WN4373 is scheduled to flight on Monday, Thursday, Friday, Saturday on a weekly basis.

Which is the distance of flight WN4373?
The distance between the two airports is 390 miles.

Which is the flight time of flight WN4373?
The scheduled flight time gate to gate is: 01:25 hours.
The real flight time gate to gate on average is: 01:25 hours.

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: WN1575. (On Time performance: 94 - Average Delay: 5 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from March 06, 2025 to March 22, 2025, we have obtained these figures.
Total number of flights: 11
On Time: 8 ( 73 % )
Moderate Delay: 1 ( 9 % )
Significant Delay: 0 ( 0 % )
Major Delay: 2 ( 18 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 21 minutes.
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 WN4373

Date
Departure
Arrival
Duration
Aircraft
Status
Monday
31 March
08:18 pm
Ontario (ONT)
09:42 pm
Sacramento (SMF)
01h 24min
Boeing 737-700
Boeing 737-700
Landed - On-time
Saturday
29 March
08:12 pm
Ontario (ONT)
09:32 pm
Sacramento (SMF)
01h 20min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Friday
28 March
08:25 pm
Ontario (ONT)
09:43 pm
Sacramento (SMF)
01h 18min
Boeing 737-700
Boeing 737-700
Landed - On-time
Thursday
27 March
08:21 pm
Ontario (ONT)
09:36 pm
Sacramento (SMF)
01h 15min
Boeing 737-700
Boeing 737-700
Landed - On-time
Monday
24 March
08:24 pm
Ontario (ONT)
09:35 pm
Sacramento (SMF)
01h 11min
Boeing 737-700
Boeing 737-700
Landed - On-time
Saturday
22 March
08:10 pm
Ontario (ONT)
09:39 pm
Sacramento (SMF)
01h 29min
Boeing 737-800
Boeing 737-800
Landed - On-time
Friday
21 March
08:42 pm
Ontario (ONT)
10:00 pm
Sacramento (SMF)
01h 18min
Boeing 737 Pas
Boeing 737 Pas
Landed - On-time
Thursday
20 March
08:26 pm
Ontario (ONT)
09:39 pm
Sacramento (SMF)
01h 13min
Boeing 737 Pas
Boeing 737 Pas
Landed - On-time
Monday
17 March
08:25 pm
Ontario (ONT)
10:13 pm
Sacramento (SMF)
01h 48min
Boeing 737 Pas
Boeing 737 Pas
Landed - Delayed
Saturday
15 March
10:00 pm
Ontario (ONT)
11:40 pm
Sacramento (SMF)
01h 40min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed