WN3431 Southwest Airlines - Flight Status

Which is the frequency of flight WN3431?
The flight WN3431 is scheduled to flight on daily basis.

Which is the distance of flight WN3431?
The distance between the two airports is 1726 miles.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in San Diego: 2026-08-11 08:58:26
Current Time in Chicago: 2026-08-11 10:58:26

The following airline serve the same route between San Diego and Chicago:
Southwest Airlines - Flight Number: WN3430.

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 05, 2026 to August 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.