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(WN) Southwest Airlines 1491 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(DEN) Denver International Airport

Denver, CO, US

(BOI) Boise Air Terminal

Boise, ID, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
74%
Late
3
16%
Very Late
0
0%
Excessive
1
5%
Cancelled
0
0%
Diverted
1
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
18
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
16.363636363636363
Standard Deviation
22.7
Min
0
Max
81

WN 1491 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 78%
Average Delay Time 16.363636363636363 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4 shows that this flight has on-time performance characteristics better than 79% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
4.4 of 5
Good
Average Delay Time 16.363636363636363 min
This flight has an average delay of 16.363636363636363 minutes with a standard deviation of 22.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 88% of other flights.

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