WN866 Southwest Airlines - Flight Status

Which is the frequency of flight WN866?
The flight WN866 is currently not scheduled at Lambert St Louis Airport.

Which is the distance of flight WN866?
The distance between the two airports is 236 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 Kansas City and Saint Louis:

Kalitta Charters II
- Flight Number: KII124.

Southwest Airlines
- Flight Number: WN1315. (On Time performance: 40 - Average Delay: 16 minutes)
- Flight Number: WN2008. (On Time performance: 94 - Average Delay: 2 minutes)
- Flight Number: WN2351.
- Flight Number: WN2353. (On Time performance: 92 - Average Delay: 4 minutes)
- Flight Number: WN2536. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: WN2538. (On Time performance: 59 - Average Delay: 15 minutes)
- Flight Number: WN2811. (On Time performance: 53 - Average Delay: 25 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 August 09, 2026 to August 30, 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 September 02, 2025 to August 30, 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.