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(WN) Southwest Airlines 3855 On-Time Performance Rating

Date Range:

01-May-2025 to 30-Jun-2025

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
70%
Late
2
10%
Very Late
0
0%
Excessive
4
20%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
20
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
27.923076923076923
Standard Deviation
30.1
Min
0
Max
101

WN 3855 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 70%
Average Delay Time 27.923076923076923 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 70%
This flight has an on-time performance of 70%. 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 27.923076923076923 min
This flight has an average delay of 27.923076923076923 minutes with a standard deviation of 30.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.