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(WS) WestJet 7851 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
21
75%
Late
1
4%
Very Late
1
4%
Excessive
4
14%
Cancelled
1
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
28
Total Delays ( > 1 min )
12
Codeshares
28
Average Delay (min.)
55.5
Standard Deviation
72.6
Min
0
Max
238

WS 7851 On-Time Performance Details

Overall Rating
1.1 of 5
Poor
Percentage On-Time 75%
Average Delay Time 55.5 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 21% of all other flights in the FlightStats database.
On-Time Performance Rating
1.9 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 38% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 55.5 min
This flight has an average delay of 55.5 minutes with a standard deviation of 72.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.

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