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(WN) Southwest Airlines 1427 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
3
50%
Late
3
50%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
6
Total Delays ( > 1 min )
4
Codeshares
0
Average Delay (min.)
17
Standard Deviation
7
Min
0
Max
25

WN 1427 On-Time Performance Details

Overall Rating
2.0 of 5
Average
Percentage On-Time 50%
Average Delay Time 17 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 38% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 50%
This flight has an on-time performance of 50%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 7% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 17 min
This flight has an average delay of 17 minutes with a standard deviation of 7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.

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