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(WN) Southwest Airlines 855 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(OAK) San Francisco Bay Oakland International Airport

Oakland, CA, US

(SAN) San Diego International Airport

San Diego, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
7
88%
Late
0
0%
Very Late
0
0%
Excessive
1
13%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
8
Total Delays ( > 1 min )
4
Codeshares
0
Average Delay (min.)
15.75
Standard Deviation
21.7
Min
0
Max
48

WN 855 On-Time Performance Details

Overall Rating
3.6 of 5
Good
Percentage On-Time 88%
Average Delay Time 15.75 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.6 shows that this flight has on-time performance characteristics better than 71% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 88%
This flight has an on-time performance of 88%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 15.75 min
This flight has an average delay of 15.75 minutes with a standard deviation of 21.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.

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