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(WN) Southwest Airlines 4938 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(DEN) Denver International Airport

Denver, CO, US

(GEG) Spokane International Airport

Spokane, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
34
83%
Late
2
5%
Very Late
1
2%
Excessive
3
7%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
40
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
30.692307692307693
Standard Deviation
38.2
Min
0
Max
128

WN 4938 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 85%
Average Delay Time 30.692307692307693 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4 shows that this flight has on-time performance characteristics better than 78% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 30.692307692307693 min
This flight has an average delay of 30.692307692307693 minutes with a standard deviation of 38.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.