background

(WN) Southwest Airlines 420 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(BHM) Birmingham-Shuttlesworth International Airport

Birmingham, AL, US

(HOU) Houston Hobby Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
2
33%
Late
0
0%
Very Late
0
0%
Excessive
4
67%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
6
Total Delays ( > 1 min )
6
Codeshares
0
Average Delay (min.)
83.5
Standard Deviation
99.1
Min
5
Max
272

WN 420 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 33%
Average Delay Time 83.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 33%
This flight has an on-time performance of 33%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 83.5 min
This flight has an average delay of 83.5 minutes with a standard deviation of 99.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 3% of other flights.

Other Stops for WN 420