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(WN) Southwest Airlines 855 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(BOI) Boise Air Terminal

Boise, ID, US

(OAK) San Francisco Bay Oakland International Airport

Oakland, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
45
80%
Late
5
9%
Very Late
2
4%
Excessive
4
7%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
19
Codeshares
0
Average Delay (min.)
47.05263157894737
Standard Deviation
83
Min
0
Max
282

WN 855 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 80%
Average Delay Time 47.05263157894737 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 35% of all other flights in the FlightStats database.
On-Time Performance Rating
3.1 of 5
Average
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.
Delay Performance
0.5 of 5
Very Poor
Average Delay Time 47.05263157894737 min
This flight has an average delay of 47.05263157894737 minutes with a standard deviation of 83 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 10% of other flights.

Other Stops for WN 855