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(WN) Southwest Airlines 558 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(MDW) Chicago Midway International Airport

Chicago, IL, US

(SAV) Savannah-Hilton Head International Airport

Savannah, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
20
71%
Late
1
4%
Very Late
1
4%
Excessive
6
21%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
28
Total Delays ( > 1 min )
17
Codeshares
0
Average Delay (min.)
30.647058823529413
Standard Deviation
28.8
Min
0
Max
82

WN 558 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 71%
Average Delay Time 30.647058823529413 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 40% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 30.647058823529413 min
This flight has an average delay of 30.647058823529413 minutes with a standard deviation of 28.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.

Other Stops for WN 558