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(UA) United Airlines 3539 On-Time Performance Rating

Date Range:

01-May-2025 to 30-Jun-2025

(IAD) Washington Dulles International Airport

Dulles, VA, US

(YUL) Montreal-Trudeau International Airport

Montreal, QC, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
15
75%
Late
1
5%
Very Late
0
0%
Excessive
4
20%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
20
Total Delays ( > 1 min )
8
Codeshares
20
Average Delay (min.)
32.25
Standard Deviation
25.8
Min
0
Max
69

UA 3539 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 75%
Average Delay Time 32.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 55% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 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 54% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 32.25 min
This flight has an average delay of 32.25 minutes with a standard deviation of 25.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.

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