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(WN) Southwest Airlines 1577 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

(TUL) Tulsa International Airport

Tulsa, OK, US

On-Time Performance Chart

(using rounded numbers)
On-Time
15
79%
Late
2
11%
Very Late
1
5%
Excessive
1
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
8
Codeshares
0
Average Delay (min.)
35
Standard Deviation
56.4
Min
0
Max
172

WN 1577 On-Time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 79%
Average Delay Time 35 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 51% of all other flights in the FlightStats database.
On-Time Performance Rating
3.1 of 5
Average
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 35 min
This flight has an average delay of 35 minutes with a standard deviation of 56.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.

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