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(WN) Southwest Airlines 4377 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(BZN) Bozeman Yellowstone International Airport

Bozeman, MT, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
3
60%
Late
0
0%
Very Late
0
0%
Excessive
2
40%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
5
Total Delays ( > 1 min )
2
Codeshares
0
Average Delay (min.)
85
Standard Deviation
48.1
Min
0
Max
119

WN 4377 On-Time Performance Details

Overall Rating
0.9 of 5
Poor
Percentage On-Time 60%
Average Delay Time 85 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.9 shows that this flight has on-time performance characteristics better than 17% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 60%
This flight has an on-time performance of 60%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 85 min
This flight has an average delay of 85 minutes with a standard deviation of 48.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.

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