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(WN) Southwest Airlines 855 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(DAL) Dallas Love Field

Dallas, TX, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
20
77%
Late
6
23%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
26
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
12.153846153846153
Standard Deviation
7.5
Min
0
Max
25

WN 855 On-Time Performance Details

Overall Rating
4.3 of 5
Good
Percentage On-Time 77%
Average Delay Time 12.153846153846153 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.3 shows that this flight has on-time performance characteristics better than 84% of all other flights in the FlightStats database.
On-Time Performance Rating
3.8 of 5
Good
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 76% of other flights.
Delay Performance
4.7 of 5
Very Good
Average Delay Time 12.153846153846153 min
This flight has an average delay of 12.153846153846153 minutes with a standard deviation of 7.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 93% of other flights.

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