(WN) Southwest Airlines 1666 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(BOI) Boise Air Terminal

Boise, ID, US

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

On-Time Performance Chart

(using rounded numbers)

On-Time

56%

Late

17%

Very Late

17%

Excessive

11%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

29.083333333333332

Standard Deviation

22.7

Min

Max

WN 1666 On-Time Performance Details

Overall Rating

1.8 of 5

Average

Percentage On-Time 56%

Average Delay Time 29.083333333333332 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 34% of all other flights in the FlightStats database.

On-Time Performance Rating

0.2 of 5

Very Poor

Percentage On-Time 56%

This flight has an on-time performance of 56%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.

Delay Performance

3.3 of 5

Average

Average Delay Time 29.083333333333332 min

This flight has an average delay of 29.083333333333332 minutes with a standard deviation of 22.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.