(WS) WestJet 6521 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(JFK) New York John F. Kennedy International Airport

New York, NY, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)

On-Time

54%

Late

23%

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.)

25.625

Standard Deviation

26.5

Min

Max

WS 6521 On-Time Performance Details

Overall Rating

1.9 of 5

Average

Percentage On-Time 54%

Average Delay Time 25.625 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 36% of all other flights in the FlightStats database.

On-Time Performance Rating

0.2 of 5

Very Poor

Percentage On-Time 54%

This flight has an on-time performance of 54%. 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

3.5 of 5

Average

Average Delay Time 25.625 min

This flight has an average delay of 25.625 minutes with a standard deviation of 26.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.