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(WN) Southwest Airlines 548 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

(DCA) Ronald Reagan Washington National Airport

Washington, DC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
12
63%
Late
2
11%
Very Late
1
5%
Excessive
3
16%
Cancelled
1
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
9
Codeshares
0
Average Delay (min.)
42.888888888888886
Standard Deviation
52.3
Min
0
Max
168

WN 548 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 63%
Average Delay Time 42.888888888888886 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 13% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 63%
This flight has an on-time performance of 63%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 42.888888888888886 min
This flight has an average delay of 42.888888888888886 minutes with a standard deviation of 52.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.

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