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(WN) Southwest Airlines 1242 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

(SJC) San Jose Mineta International Airport

San Jose, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
26
87%
Late
1
3%
Very Late
2
7%
Excessive
1
3%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
30
Total Delays ( > 1 min )
14
Codeshares
0
Average Delay (min.)
14.285714285714286
Standard Deviation
15
Min
0
Max
46

WN 1242 On-Time Performance Details

Overall Rating
4.6 of 5
Very Good
Percentage On-Time 87%
Average Delay Time 14.285714285714286 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 91% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 93% of other flights.
Delay Performance
4.5 of 5
Good
Average Delay Time 14.285714285714286 min
This flight has an average delay of 14.285714285714286 minutes with a standard deviation of 15 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 90% of other flights.

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