(WN) Southwest Airlines 1420 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

(BOI) Boise Air Terminal

Boise, ID, US

On-Time Performance Chart

(using rounded numbers)

On-Time

92%

Late

Very Late

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

26.5

Standard Deviation

36.1

Min

Max

WN 1420 On-Time Performance Details

Overall Rating

3.7 of 5

Good

Percentage On-Time 92%

Average Delay Time 26.5 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.7 shows that this flight has on-time performance characteristics better than 73% of all other flights in the FlightStats database.

On-Time Performance Rating

4.5 of 5

Good

Percentage On-Time 92%

This flight has an on-time performance of 92%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.

Delay Performance

2.9 of 5

Average

Average Delay Time 26.5 min

This flight has an average delay of 26.5 minutes with a standard deviation of 36.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.