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(WN) Southwest Airlines 4878 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

(JAX) Jacksonville International Airport

Jacksonville, FL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
0
0%
Late
0
0%
Very Late
1
33%
Excessive
2
67%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
3
Total Delays ( > 1 min )
3
Codeshares
0
Average Delay (min.)
88.66666666666667
Standard Deviation
52.2
Min
39
Max
143

WN 4878 On-Time Performance Details

Overall Rating
0.2 of 5
Very Poor
Percentage On-Time 0%
Average Delay Time 88.66666666666667 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.2 shows that this flight has on-time performance characteristics better than 2% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 0%
This flight has an on-time performance of 0%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 88.66666666666667 min
This flight has an average delay of 88.66666666666667 minutes with a standard deviation of 52.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 5% of other flights.

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