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(WS) WestJet 7857 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(JFK) New York John F. Kennedy International Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
10
45%
Late
7
32%
Very Late
2
9%
Excessive
1
5%
Cancelled
2
9%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
22
Total Delays ( > 1 min )
13
Codeshares
22
Average Delay (min.)
35.84615384615385
Standard Deviation
46.7
Min
0
Max
187

WS 7857 On-Time Performance Details

Overall Rating
1.1 of 5
Poor
Percentage On-Time 46%
Average Delay Time 35.84615384615385 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.1 shows that this flight has on-time performance characteristics better than 20% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 46%
This flight has an on-time performance of 46%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 35.84615384615385 min
This flight has an average delay of 35.84615384615385 minutes with a standard deviation of 46.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.

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