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(WN) Southwest Airlines 1558 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(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
16
59%
Late
6
22%
Very Late
2
7%
Excessive
3
11%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
27
Total Delays ( > 1 min )
22
Codeshares
0
Average Delay (min.)
26.818181818181817
Standard Deviation
37.3
Min
0
Max
138

WN 1558 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 59%
Average Delay Time 26.818181818181817 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 35% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 59%
This flight has an on-time performance of 59%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 26.818181818181817 min
This flight has an average delay of 26.818181818181817 minutes with a standard deviation of 37.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.