background

(WN) Southwest Airlines 3773 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

(PIT) Pittsburgh International Airport

Pittsburgh, PA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
30
88%
Late
2
6%
Very Late
2
6%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
34
Total Delays ( > 1 min )
12
Codeshares
0
Average Delay (min.)
11.416666666666666
Standard Deviation
11
Min
0
Max
34

WN 3773 On-Time Performance Details

Overall Rating
4.5 of 5
Good
Percentage On-Time 88%
Average Delay Time 11.416666666666666 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.5 shows that this flight has on-time performance characteristics better than 89% of all other flights in the FlightStats database.
On-Time Performance Rating
4.6 of 5
Very Good
Percentage On-Time 88%
This flight has an on-time performance of 88%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 92% of other flights.
Delay Performance
4.4 of 5
Good
Average Delay Time 11.416666666666666 min
This flight has an average delay of 11.416666666666666 minutes with a standard deviation of 11 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 88% of other flights.

Other Stops for WN 3773