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(WN) Southwest Airlines 1220 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

On-Time Performance Chart

(using rounded numbers)
On-Time
9
69%
Late
3
23%
Very Late
0
0%
Excessive
1
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
13
Total Delays ( > 1 min )
5
Codeshares
0
Average Delay (min.)
35
Standard Deviation
37.7
Min
0
Max
101

WN 1220 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 69%
Average Delay Time 35 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 37% of all other flights in the FlightStats database.
On-Time Performance Rating
1.5 of 5
Poor
Percentage On-Time 69%
This flight has an on-time performance of 69%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 31% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 35 min
This flight has an average delay of 35 minutes with a standard deviation of 37.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.

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