(WN) Southwest Airlines 155 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(TPA) Tampa International Airport

Tampa, FL, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)

On-Time

67%

Late

Very Late

17%

Excessive

17%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

32.57142857142857

Standard Deviation

27.7

Min

Max

WN 155 On-Time Performance Details

Overall Rating

1.6 of 5

Average

Percentage On-Time 67%

Average Delay Time 32.57142857142857 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.6 shows that this flight has on-time performance characteristics better than 30% of all other flights in the FlightStats database.

On-Time Performance Rating

0.8 of 5

Poor

Percentage On-Time 67%

This flight has an on-time performance of 67%. 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

2.3 of 5

Average

Average Delay Time 32.57142857142857 min

This flight has an average delay of 32.57142857142857 minutes with a standard deviation of 27.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.