(WN) Southwest Airlines 978 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(SDF) Louisville Muhammad Ali International Airport

Louisville, KY, US

(BWI) Baltimore Washington International Airport

Baltimore, MD, US

On-Time Performance Chart

(using rounded numbers)

On-Time

50%

Late

50%

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.)

13.5

Standard Deviation

7.8

Min

Max

WN 978 On-Time Performance Details

Overall Rating

2.2 of 5

Average

Percentage On-Time 50%

Average Delay Time 13.5 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 43% of all other flights in the FlightStats database.

On-Time Performance Rating

0.9 of 5

Poor

Percentage On-Time 50%

This flight has an on-time performance of 50%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 18% of other flights.

Delay Performance

3.5 of 5

Average

Average Delay Time 13.5 min

This flight has an average delay of 13.5 minutes with a standard deviation of 7.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.