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(WN) Southwest Airlines 1421 On-time Performance Rating

Date Range:

15-Aug-2018 to 15-Oct-2018

(SFO) San Francisco International Airport

San Francisco, CA, US

(LAS) McCarran International Airport

Las Vegas, NV, US

On-Time Performance Chart

(using rounded numbers)
On-Time
19
90%
Late
2
10%
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
21
Total Delays ( > 1 min )
7
Codeshares
0
Average Delay (min.)
12
Standard Deviation
8.8
Min
1
Max
24

WN 1421 On-time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 90%
Average Delay Time 12 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 87% of all other flights in the FlightStats database.
On-time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 90%
This flight has an on-time performance of 90%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 93% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 12 min
This flight has an average delay of 12 minutes with a standard deviation of 8.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.