(WN) Southwest Airlines 1435 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(SFO) San Francisco International Airport

San Francisco, CA, US

(SAN) San Diego International Airport

San Diego, CA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

21%

Late

11%

Very Late

42%

Excessive

26%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

57.22222222222222

Standard Deviation

81.3

Min

Max

374

WN 1435 On-Time Performance Details

Overall Rating

0.2 of 5

Very Poor

Percentage On-Time 21%

Average Delay Time 57.22222222222222 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.2 shows that this flight has on-time performance characteristics better than 2% of all other flights in the FlightStats database.

On-Time Performance Rating

0.0 of 5

Very Poor

Percentage On-Time 21%

This flight has an on-time performance of 21%. 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

0.3 of 5

Very Poor

Average Delay Time 57.22222222222222 min

This flight has an average delay of 57.22222222222222 minutes with a standard deviation of 81.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 5% of other flights.