(WN) Southwest Airlines 312 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(SMF) Sacramento International Airport

Sacramento, CA, US

(ONT) Ontario International Airport

Ontario, CA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

80%

Late

Very Late

20%

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

16.75

Standard Deviation

15.1

Min

Max

WN 312 On-Time Performance Details

Overall Rating

3.5 of 5

Average

Percentage On-Time 80%

Average Delay Time 16.75 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 68% of all other flights in the FlightStats database.

On-Time Performance Rating

3.1 of 5

Average

Percentage On-Time 80%

This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.

Delay Performance

3.8 of 5

Good

Average Delay Time 16.75 min

This flight has an average delay of 16.75 minutes with a standard deviation of 15.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.