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(WN) Southwest Airlines 420 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(BDL) Bradley International Airport

Hartford, CT, US

(BWI) Baltimore Washington International Airport

Baltimore, MD, US

On-Time Performance Chart

(using rounded numbers)
On-Time
34
94%
Late
2
6%
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
36
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
7.7272727272727275
Standard Deviation
5.8
Min
0
Max
20

WN 420 On-Time Performance Details

Overall Rating
4.9 of 5
Very Good
Percentage On-Time 94%
Average Delay Time 7.7272727272727275 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.9 shows that this flight has on-time performance characteristics better than 96% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 94%
This flight has an on-time performance of 94%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
4.7 of 5
Very Good
Average Delay Time 7.7272727272727275 min
This flight has an average delay of 7.7272727272727275 minutes with a standard deviation of 5.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 93% of other flights.

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