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(WN) Southwest Airlines 4438 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(SJC) San Jose Mineta International Airport

San Jose, CA, US

(BWI) Baltimore Washington International Airport

Baltimore, MD, US

On-Time Performance Chart

(using rounded numbers)
On-Time
20
63%
Late
5
16%
Very Late
6
19%
Excessive
1
3%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
32
Total Delays ( > 1 min )
17
Codeshares
0
Average Delay (min.)
23.352941176470587
Standard Deviation
14.3
Min
0
Max
51

WN 4438 On-Time Performance Details

Overall Rating
2.0 of 5
Average
Percentage On-Time 63%
Average Delay Time 23.352941176470587 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 38% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 63%
This flight has an on-time performance of 63%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 2% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 23.352941176470587 min
This flight has an average delay of 23.352941176470587 minutes with a standard deviation of 14.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.

Other Stops for WN 4438