(WN) Southwest Airlines 351 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

(SJC) San Jose Mineta International Airport

San Jose, CA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

20%

Late

20%

Very Late

40%

Excessive

20%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

46.2

Standard Deviation

48.4

Min

Max

131

WN 351 On-Time Performance Details

Overall Rating

0.9 of 5

Poor

Percentage On-Time 20%

Average Delay Time 46.2 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.9 shows that this flight has on-time performance characteristics better than 16% of all other flights in the FlightStats database.

On-Time Performance Rating

0.0 of 5

Very Poor

Percentage On-Time 20%

This flight has an on-time performance of 20%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.

Delay Performance

1.7 of 5

Average

Average Delay Time 46.2 min

This flight has an average delay of 46.2 minutes with a standard deviation of 48.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 34% of other flights.