(WN) Southwest Airlines 155 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(DAL) Dallas Love Field

Dallas, TX, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)

On-Time

57%

Late

Very Late

Excessive

36%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

42.3

Standard Deviation

33.5

Min

Max

WN 155 On-Time Performance Details

Overall Rating

0.7 of 5

Poor

Percentage On-Time 57%

Average Delay Time 42.3 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 12% of all other flights in the FlightStats database.

On-Time Performance Rating

0.1 of 5

Very Poor

Percentage On-Time 57%

This flight has an on-time performance of 57%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 3% of other flights.

Delay Performance

1.2 of 5

Poor

Average Delay Time 42.3 min

This flight has an average delay of 42.3 minutes with a standard deviation of 33.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.