(WN) Southwest Airlines 999 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(SAN) San Diego International Airport

San Diego, CA, US

(BWI) Baltimore Washington International Airport

Baltimore, MD, US

On-Time Performance Chart

(using rounded numbers)

On-Time

43%

Late

43%

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.)

19.666666666666668

Standard Deviation

9.6

Min

Max

WN 999 On-Time Performance Details

Overall Rating

2.1 of 5

Average

Percentage On-Time 43%

Average Delay Time 19.666666666666668 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 40% of all other flights in the FlightStats database.

On-Time Performance Rating

0.0 of 5

Very Poor

Percentage On-Time 43%

This flight has an on-time performance of 43%. 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

4.1 of 5

Good

Average Delay Time 19.666666666666668 min

This flight has an average delay of 19.666666666666668 minutes with a standard deviation of 9.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.