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(WN) Southwest Airlines 3577 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

(OAK) San Francisco Bay Oakland International Airport

Oakland, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
7
39%
Late
3
17%
Very Late
1
6%
Excessive
7
39%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
18
Total Delays ( > 1 min )
12
Codeshares
0
Average Delay (min.)
45.75
Standard Deviation
28.9
Min
0
Max
96

WN 3577 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 39%
Average Delay Time 45.75 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 13% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 39%
This flight has an on-time performance of 39%. 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
1.4 of 5
Poor
Average Delay Time 45.75 min
This flight has an average delay of 45.75 minutes with a standard deviation of 28.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

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