(WS) WestJet 8271 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(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

75%

Late

25%

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.)

Standard Deviation

8.2

Min

Max

WS 8271 On-Time Performance Details

Overall Rating

3.2 of 5

Average

Percentage On-Time 75%

Average Delay Time 11 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.2 shows that this flight has on-time performance characteristics better than 62% of all other flights in the FlightStats database.

On-Time Performance Rating

2.5 of 5

Average

Percentage On-Time 75%

This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 50% of other flights.

Delay Performance

3.8 of 5

Good

Average Delay Time 11 min

This flight has an average delay of 11 minutes with a standard deviation of 8.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.