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(AC) Air Canada 4855 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(DFW) Dallas Fort Worth International Airport

Dallas, TX, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
40
87%
Late
1
2%
Very Late
0
0%
Excessive
2
4%
Cancelled
2
4%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
45
Total Delays ( > 1 min )
6
Codeshares
45
Average Delay (min.)
28.333333333333332
Standard Deviation
25.6
Min
0
Max
70

AC 4855 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 89%
Average Delay Time 28.333333333333332 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 76% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 28.333333333333332 min
This flight has an average delay of 28.333333333333332 minutes with a standard deviation of 25.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.