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(DL) Delta Air Lines 8634 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(CDG) Paris Charles de Gaulle Airport

Paris, FR

(YYZ) Toronto Pearson International Airport

Toronto, ON, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
28
67%
Late
6
14%
Very Late
3
7%
Excessive
5
12%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
42
Total Delays ( > 1 min )
22
Codeshares
42
Average Delay (min.)
43.18181818181818
Standard Deviation
69.2
Min
0
Max
267

DL 8634 On-Time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 67%
Average Delay Time 43.18181818181818 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.5 shows that this flight has on-time performance characteristics better than 8% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 5% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 43.18181818181818 min
This flight has an average delay of 43.18181818181818 minutes with a standard deviation of 69.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.