WN4331 Southwest Airlines - Flight Status

Which is the frequency of flight WN4331?
The flight WN4331 is scheduled to flight on Monday, Thursday, Friday, Saturday on a weekly basis.

Which is the distance of flight WN4331?
The distance between the two airports is 545 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 Portland and Oakland:

Alaska Airlines
- Flight Number: AS2035. (On Time performance: 96 - Average Delay: 2 minutes)
- Flight Number: AS2036. (On Time performance: 91 - Average Delay: 10 minutes)
- Flight Number: AS2082. (On Time performance: 95 - Average Delay: 1 minutes)
- Flight Number: AS3055. (On Time performance: 96 - Average Delay: 2 minutes)

FedEx
- Flight Number: FX1807. (On Time performance: 96 - Average Delay: 2 minutes)

AirNet Express
- Flight Number: USC240. (On Time performance: 36 - Average Delay: 89 minutes)

Southwest Airlines
- Flight Number: WN1535.
- Flight Number: WN1581.
- Flight Number: WN2612.
- Flight Number: WN264. (On Time performance: 96 - Average Delay: 11 minutes)
- Flight Number: WN2935. (On Time performance: 19 - Average Delay: 47 minutes)
- Flight Number: WN2994.
- Flight Number: WN3205. (On Time performance: 26 - Average Delay: 42 minutes)
- Flight Number: WN3563. (On Time performance: 77 - Average Delay: 12 minutes)
- Flight Number: WN4248.
- Flight Number: WN4928. (On Time performance: 75 - Average Delay: 8 minutes)

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 04, 2026 to March 04, 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.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from January 06, 2026 to March 04, 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.