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(WN) Southwest Airlines 1277 On-Time Performance Rating

Date Range:

01-Mar-2025 to 30-Apr-2025

(GEG) Spokane International Airport

Spokane, WA, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
19
79%
Late
1
4%
Very Late
2
8%
Excessive
2
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
24
Total Delays ( > 1 min )
9
Codeshares
0
Average Delay (min.)
50.333333333333336
Standard Deviation
72.1
Min
0
Max
209

WN 1277 On-Time Performance Details

Overall Rating
1.7 of 5
Average
Percentage On-Time 79%
Average Delay Time 50.333333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.7 shows that this flight has on-time performance characteristics better than 32% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 of 5
Average
Percentage On-Time 79%
This flight has an on-time performance of 79%. 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
0.6 of 5
Poor
Average Delay Time 50.333333333333336 min
This flight has an average delay of 50.333333333333336 minutes with a standard deviation of 72.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.