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(UA) United Airlines 3515 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-Apr-2025

(IAD) Washington Dulles International Airport

Dulles, VA, US

(YYZ) Toronto Pearson International Airport

Toronto, ON, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
45
74%
Late
4
7%
Very Late
4
7%
Excessive
7
11%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
28
Codeshares
60
Average Delay (min.)
31.571428571428573
Standard Deviation
29.4
Min
0
Max
106

UA 3515 On-Time Performance Details

Overall Rating
1.6 of 5
Average
Percentage On-Time 75%
Average Delay Time 31.571428571428573 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.6 shows that this flight has on-time performance characteristics better than 31% of all other flights in the FlightStats database.
On-Time Performance Rating
1.1 of 5
Poor
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 21% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 31.571428571428573 min
This flight has an average delay of 31.571428571428573 minutes with a standard deviation of 29.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.