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(WN) Southwest Airlines 570 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(SFO) San Francisco International Airport

San Francisco, CA, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
11
58%
Late
3
16%
Very Late
1
5%
Excessive
4
21%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
30.307692307692307
Standard Deviation
26.2
Min
0
Max
87

WN 570 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 58%
Average Delay Time 30.307692307692307 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 29% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 58%
This flight has an on-time performance of 58%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 2% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 30.307692307692307 min
This flight has an average delay of 30.307692307692307 minutes with a standard deviation of 26.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.

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