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(WN) Southwest Airlines 4121 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(PDX) Portland International Airport

Portland, OR, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
13
76%
Late
2
12%
Very Late
2
12%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
17
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
13.818181818181818
Standard Deviation
13.3
Min
0
Max
33

WN 4121 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 77%
Average Delay Time 13.818181818181818 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 69% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.
Delay Performance
4.3 of 5
Good
Average Delay Time 13.818181818181818 min
This flight has an average delay of 13.818181818181818 minutes with a standard deviation of 13.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 86% of other flights.

Other Stops for WN 4121