(WN) Southwest Airlines 1144 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

(CHS) Charleston International Airport

Charleston, SC, US

On-Time Performance Chart

(using rounded numbers)

On-Time

100%

Late

Very Late

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

7.5

Standard Deviation

6.4

Min

Max

WN 1144 On-Time Performance Details

Overall Rating

4.3 of 5

Good

Percentage On-Time 100%

Average Delay Time 7.5 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.3 shows that this flight has on-time performance characteristics better than 84% of all other flights in the FlightStats database.

On-Time Performance Rating

4.7 of 5

Very Good

Percentage On-Time 100%

This flight has an on-time performance of 100%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.

Delay Performance

3.8 of 5

Good

Average Delay Time 7.5 min

This flight has an average delay of 7.5 minutes with a standard deviation of 6.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.