(WN) Southwest Airlines 977 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(DEN) Denver International Airport

Denver, CO, US

(SAV) Savannah-Hilton Head International Airport

Savannah, GA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

57%

Late

Very Late

14%

Excessive

29%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

30.666666666666668

Standard Deviation

25.4

Min

Max

WN 977 On-Time Performance Details

Overall Rating

1.6 of 5

Average

Percentage On-Time 57%

Average Delay Time 30.666666666666668 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.6 shows that this flight has on-time performance characteristics better than 31% of all other flights in the FlightStats database.

On-Time Performance Rating

0.5 of 5

Very Poor

Percentage On-Time 57%

This flight has an on-time performance of 57%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 10% of other flights.

Delay Performance

2.7 of 5

Average

Average Delay Time 30.666666666666668 min

This flight has an average delay of 30.666666666666668 minutes with a standard deviation of 25.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.