WN3666 Southwest Airlines - Flight Status

Which is the frequency of flight WN3666?
The flight WN3666 is scheduled to flight on Tuesday, Wednesday, Thursday, Friday, Sunday on a weekly basis.

Which is the distance of flight WN3666?
The distance between the two airports is 306 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 Chicago: 2026-08-09 02:11:32
Current Time in Cleveland: 2026-08-09 03:11:32

The following airline serve the same route between Chicago and Cleveland:
Southwest Airlines - Flight Number: WN1813. (On Time performance: 83 - Average Delay: 12 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 Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from August 05, 2025 to October 31, 2025. 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.