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(WN) Southwest Airlines 518 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(MDW) Chicago Midway International Airport

Chicago, IL, US

(SAN) San Diego International Airport

San Diego, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
5
21%
Late
5
21%
Very Late
5
21%
Excessive
9
38%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
24
Total Delays ( > 1 min )
22
Codeshares
0
Average Delay (min.)
58.40909090909091
Standard Deviation
60.2
Min
0
Max
226

WN 518 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 21%
Average Delay Time 58.40909090909091 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 21%
This flight has an on-time performance of 21%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 58.40909090909091 min
This flight has an average delay of 58.40909090909091 minutes with a standard deviation of 60.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.

Other Stops for WN 518