background

(WN) Southwest Airlines 4027 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(DEN) Denver International Airport

Denver, CO, US

(RNO) Reno-Tahoe International Airport

Reno, NV, US

On-Time Performance Chart

(using rounded numbers)
On-Time
2
67%
Late
1
33%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
3
Total Delays ( > 1 min )
3
Codeshares
0
Average Delay (min.)
12
Standard Deviation
8.5
Min
3
Max
20

WN 4027 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 67%
Average Delay Time 12 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 54% of all other flights in the FlightStats database.
On-Time Performance Rating
1.7 of 5
Average
Percentage On-Time 67%
This flight has an on-time performance of 67%. 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
3.8 of 5
Good
Average Delay Time 12 min
This flight has an average delay of 12 minutes with a standard deviation of 8.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.

Other Stops for WN 4027