WN3957 Southwest Airlines - Flight Status

Which is the frequency of flight WN3957?
The flight WN3957 is scheduled to flight on Monday, Thursday, Friday on a weekly basis.

Which is the distance of flight WN3957?
The distance between the two airports is 361 miles.

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

The following airlines serves the same route between Ontario and Oakland:

UPS
- Flight Number: 5X962. (On Time performance: 92 - Average Delay: 6 minutes)

FedEx
- Flight Number: FX1803. (On Time performance: 92 - Average Delay: 3 minutes)
- Flight Number: FX1839. (On Time performance: 97 - Average Delay: 3 minutes)

Southwest Airlines
- Flight Number: WN1447. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: WN278.
- Flight Number: WN3042. (On Time performance: 97 - Average Delay: 3 minutes)
- Flight Number: WN3046. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: WN3082. (On Time performance: 73 - Average Delay: 24 minutes)
- Flight Number: WN3154. (On Time performance: 91 - Average Delay: 4 minutes)
- Flight Number: WN3155. (On Time performance: 78 - Average Delay: 9 minutes)
- Flight Number: WN3185.
- Flight Number: WN3833.
- Flight Number: WN654.
- Flight Number: WN690.
- Flight Number: WN692.

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 Weekday: We have gathered available data from last six months, spanning from February 12, 2026 to August 10, 2026. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Note: We have excluded some days from the graph, since the quantity and quality of the data is not representative enough.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from February 12, 2026 to March 01, 2026. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.