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(WN) Southwest Airlines 1242 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-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
22
76%
Late
1
3%
Very Late
3
10%
Excessive
3
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
29
Total Delays ( > 1 min )
15
Codeshares
0
Average Delay (min.)
26.2
Standard Deviation
28.4
Min
0
Max
84

WN 1242 On-Time Performance Details

Overall Rating
3.3 of 5
Average
Percentage On-Time 76%
Average Delay Time 26.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 64% of all other flights in the FlightStats database.
On-Time Performance Rating
2.9 of 5
Average
Percentage On-Time 76%
This flight has an on-time performance of 76%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 26.2 min
This flight has an average delay of 26.2 minutes with a standard deviation of 28.4 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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