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(WN) Southwest Airlines 555 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(SMF) Sacramento International Airport

Sacramento, CA, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
9
47%
Late
4
21%
Very Late
3
16%
Excessive
3
16%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
17
Codeshares
0
Average Delay (min.)
28.705882352941178
Standard Deviation
26.5
Min
0
Max
109

WN 555 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 47%
Average Delay Time 28.705882352941178 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
0.0 of 5
Very Poor
Percentage On-Time 47%
This flight has an on-time performance of 47%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 28.705882352941178 min
This flight has an average delay of 28.705882352941178 minutes with a standard deviation of 26.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.