background

(WN) Southwest Airlines 1220 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

(SMF) Sacramento International Airport

Sacramento, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
38
86%
Late
2
5%
Very Late
2
5%
Excessive
2
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
44
Total Delays ( > 1 min )
10
Codeshares
0
Average Delay (min.)
33.8
Standard Deviation
37.9
Min
0
Max
126

WN 1220 On-Time Performance Details

Overall Rating
3.6 of 5
Good
Percentage On-Time 86%
Average Delay Time 33.8 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.6 shows that this flight has on-time performance characteristics better than 70% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 33.8 min
This flight has an average delay of 33.8 minutes with a standard deviation of 37.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.

Other Stops for WN 1220