WN857 Southwest Airlines - Flight Status

Which is the frequency of flight WN857?
The flight WN857 is currently not scheduled at Phoenix Airport (PHX).

Which is the distance of flight WN857?
The distance between the two airports is 1022 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 Phoenix and Spokane:

American Airlines
- Flight Number: AA1785. (On Time performance: 70 - Average Delay: 20 minutes)
- Flight Number: AA1888. (On Time performance: 70 - Average Delay: 28 minutes)
- Flight Number: AA2876.
- Flight Number: AA540. (On Time performance: 74 - Average Delay: 10 minutes)

Southwest Airlines
- Flight Number: WN1590. (On Time performance: 100 - Average Delay: 2 minutes)
- Flight Number: WN4119. (On Time performance: 93 - Average Delay: 3 minutes)
- Flight Number: WN933. (On Time performance: 71 - Average Delay: 13 minutes)
- Flight Number: WN984. (On Time performance: 100 - Average Delay: 2 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 March 05, 2026 to August 23, 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 March 05, 2026 to April 06, 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.