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(UA) United Airlines 3521 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(CVG) Cincinnati/Northern Kentucky International Airport

Cincinnati, OH, US

On-Time Performance Chart

(using rounded numbers)
On-Time
19
53%
Late
0
0%
Very Late
2
6%
Excessive
8
22%
Cancelled
7
19%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
36
Total Delays ( > 1 min )
14
Codeshares
36
Average Delay (min.)
118.78571428571429
Standard Deviation
196.1
Min
0
Max
585

UA 3521 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 53%
Average Delay Time 118.78571428571429 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 53%
This flight has an on-time performance of 53%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 118.78571428571429 min
This flight has an average delay of 118.78571428571429 minutes with a standard deviation of 196.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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