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(WN) Southwest Airlines 1503 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-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
3
100%
Late
0
0%
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
3
Total Delays ( > 1 min )
0
Codeshares
0
Average Delay (min.)
0
Standard Deviation
0
Min
0
Max
0

WN 1503 On-Time Performance Details

Overall Rating
3.3 of 5
Average
Percentage On-Time 100%
Average Delay Time 0 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 65% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
Good
Percentage On-Time 100%
This flight has an on-time performance of 100%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.
Delay Performance
2.5 of 5
Average
Average Delay Time 0 min
This flight has an average delay of 0 minutes with a standard deviation of 0 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 50% of other flights.

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