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(WN) Southwest Airlines 439 On-time Performance Rating

Date Range:

01-Oct-2018 to 30-Nov-2018

(SFO) San Francisco International Airport

San Francisco, CA, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
17
77%
Late
3
14%
Very Late
2
9%
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 )
10
Codeshares
0
Average Delay (min.)
17
Standard Deviation
12
Min
1
Max
40

WN 439 On-time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 77%
Average Delay Time 17 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 56% of all other flights in the FlightStats database.
On-time Performance Rating
2.1 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. 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
3.6 of 5
Good
Average Delay Time 17 min
This flight has an average delay of 17 minutes with a standard deviation of 12 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.