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(WN) Southwest Airlines 3477 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
9
75%
Late
2
17%
Very Late
1
8%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
12
Total Delays ( > 1 min )
5
Codeshares
0
Average Delay (min.)
16.2
Standard Deviation
12.2
Min
0
Max
35

WN 3477 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 75%
Average Delay Time 16.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.7 shows that this flight has on-time performance characteristics better than 52% of all other flights in the FlightStats database.
On-Time Performance Rating
1.7 of 5
Average
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 34% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 16.2 min
This flight has an average delay of 16.2 minutes with a standard deviation of 12.2 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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