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(WN) Southwest Airlines 588 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(SFO) San Francisco International Airport

San Francisco, CA, US

(SAN) San Diego International Airport

San Diego, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
1
50%
Late
1
50%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
2
Total Delays ( > 1 min )
2
Codeshares
0
Average Delay (min.)
16.5
Standard Deviation
4.9
Min
13
Max
20

WN 588 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 50%
Average Delay Time 16.5 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
0.8 of 5
Poor
Percentage On-Time 50%
This flight has an on-time performance of 50%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 16% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 16.5 min
This flight has an average delay of 16.5 minutes with a standard deviation of 4.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.

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