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(WN) Southwest Airlines 3851 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
0
0%
Late
0
0%
Very Late
0
0%
Excessive
1
100%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
1
Total Delays ( > 1 min )
1
Codeshares
0
Average Delay (min.)
143
Standard Deviation
0
Min
143
Max
143

WN 3851 On-Time Performance Details

Overall Rating
0.2 of 5
Very Poor
Percentage On-Time 0%
Average Delay Time 143 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.2 shows that this flight has on-time performance characteristics better than 2% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 0%
This flight has an on-time performance of 0%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 143 min
This flight has an average delay of 143 minutes with a standard deviation of 0 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 3% of other flights.

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