(WN) Southwest Airlines 663 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

On-Time Performance Chart

(using rounded numbers)

On-Time

92%

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.)

7.25

Standard Deviation

8.1

Min

Max

WN 663 On-Time Performance Details

Overall Rating

4.3 of 5

Good

Percentage On-Time 92%

Average Delay Time 7.25 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

4.4 of 5

Good

Percentage On-Time 92%

This flight has an on-time performance of 92%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 88% of other flights.

Delay Performance

4.1 of 5

Good

Average Delay Time 7.25 min

This flight has an average delay of 7.25 minutes with a standard deviation of 8.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.