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(WN) Southwest Airlines 309 On-time Performance Rating

Date Range:

01-Sep-2018 to 31-Oct-2018

(STL) Lambert-St. Louis International Airport

Saint Louis, MO, US

(DCA) Ronald Reagan National Airport

Washington, DC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
16
73%
Late
6
27%
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
22
Total Delays ( > 1 min )
14
Codeshares
0
Average Delay (min.)
13
Standard Deviation
7.9
Min
0
Max
25

WN 309 On-time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 73%
Average Delay Time 13 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.7 shows that this flight has on-time performance characteristics better than 52% of all other flights in the FlightStats database.
On-time Performance Rating
1.1 of 5
Poor
Percentage On-Time 73%
This flight has an on-time performance of 73%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 21% of other flights.
Delay Performance
4.2 of 5
Good
Average Delay Time 13 min
This flight has an average delay of 13 minutes with a standard deviation of 7.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.