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(AC) Air Canada 3837 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(LIS) Lisbon Humberto Delgado Airport

Lisbon, PT

On-Time Performance Chart

(using rounded numbers)
On-Time
43
69%
Late
10
16%
Very Late
3
5%
Excessive
4
6%
Cancelled
0
0%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
31
Codeshares
60
Average Delay (min.)
31.677419354838708
Standard Deviation
46.7
Min
0
Max
196

AC 3837 On-Time Performance Details

Overall Rating
1.7 of 5
Average
Percentage On-Time 72%
Average Delay Time 31.677419354838708 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.7 shows that this flight has on-time performance characteristics better than 32% of all other flights in the FlightStats database.
On-Time Performance Rating
0.6 of 5
Poor
Percentage On-Time 72%
This flight has an on-time performance of 72%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 12% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 31.677419354838708 min
This flight has an average delay of 31.677419354838708 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 54% of other flights.