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(WN) Southwest Airlines 938 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(SMF) Sacramento International Airport

Sacramento, CA, US

(ONT) Ontario International Airport

Ontario, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
19
76%
Late
4
16%
Very Late
0
0%
Excessive
2
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
9
Codeshares
0
Average Delay (min.)
20.88888888888889
Standard Deviation
16.8
Min
0
Max
50

WN 938 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 76%
Average Delay Time 20.88888888888889 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 54% of all other flights in the FlightStats database.
On-Time Performance Rating
1.9 of 5
Average
Percentage On-Time 76%
This flight has an on-time performance of 76%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 38% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 20.88888888888889 min
This flight has an average delay of 20.88888888888889 minutes with a standard deviation of 16.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.

Other Stops for WN 938