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(WN) Southwest Airlines 737 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(DEN) Denver International Airport

Denver, CO, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
31
89%
Late
0
0%
Very Late
1
3%
Excessive
1
3%
Cancelled
2
6%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
16
Codeshares
0
Average Delay (min.)
13.125
Standard Deviation
19.7
Min
0
Max
82

WN 737 On-Time Performance Details

Overall Rating
4.7 of 5
Very Good
Percentage On-Time 89%
Average Delay Time 13.125 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.7 shows that this flight has on-time performance characteristics better than 93% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
4.6 of 5
Very Good
Average Delay Time 13.125 min
This flight has an average delay of 13.125 minutes with a standard deviation of 19.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 92% of other flights.

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