background

(WN) Southwest Airlines 878 On-Time Performance Rating

Date Range:

15-Aug-2025 to 15-Oct-2025

(MCI) Kansas City International Airport

Kansas City, MO, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
18
69%
Late
1
4%
Very Late
2
8%
Excessive
5
19%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
26
Total Delays ( > 1 min )
15
Codeshares
0
Average Delay (min.)
33.13333333333333
Standard Deviation
31.7
Min
0
Max
91

WN 878 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 69%
Average Delay Time 33.13333333333333 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 29% of all other flights in the FlightStats database.
On-Time Performance Rating
0.9 of 5
Poor
Percentage On-Time 69%
This flight has an on-time performance of 69%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 18% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 33.13333333333333 min
This flight has an average delay of 33.13333333333333 minutes with a standard deviation of 31.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.