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(WN) Southwest Airlines 373 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(MIA) Miami International Airport

Miami, FL, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
6
67%
Late
2
22%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
1
11%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
8
Total Delays ( > 1 min )
2
Codeshares
0
Average Delay (min.)
15.5
Standard Deviation
0.7
Min
0
Max
16

WN 373 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 75%
Average Delay Time 15.5 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 55% of all other flights in the FlightStats database.
On-Time Performance Rating
2.1 of 5
Average
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 42% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 15.5 min
This flight has an average delay of 15.5 minutes with a standard deviation of 0.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

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