(WS) WestJet 5420 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

73%

Late

Very Late

12%

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

34.6

Standard Deviation

39.6

Min

Max

134

WS 5420 On-Time Performance Details

Overall Rating

2.2 of 5

Average

Percentage On-Time 76%

Average Delay Time 34.6 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 43% of all other flights in the FlightStats database.

On-Time Performance Rating

2.3 of 5

Average

Percentage On-Time 76%

This flight has an on-time performance of 76%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 46% of other flights.

Delay Performance

2.1 of 5

Average

Average Delay Time 34.6 min

This flight has an average delay of 34.6 minutes with a standard deviation of 39.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.